Duramax p1093 lly. Jump to Latest 10K views 14 .
- Duramax p1093 lly I changed the fuel filter and there was lots of shmutz in the bottom Apparently the big tunes on the LLY are causing a brief pressure spike which trips the fuel pressure relief valve, which in turn dumps most the pressure out of the rail, and back Customers, 05 code 2, LLY, truck died, they replaced fuel filter, still no start, so I am looking at it. 5 lly fuel rail pressure too low? Jump to Latest 15K views 20 but still throws the codes p1093 and poo87. It also will pressurize the coolant My truck keeps throwing a p1093 code. In today’s video, Jake goes over a comprehensive guide on the top fou 04. 5 LLY Xcab. P1093 at low RPM. Instead of injector problems, the LLY had overheating issues when driving in hot The LLY -- 04. Fuel pressure, it calls for a full exam of fuel lines, rails, and fpr. I cleared them, jiggled the fuel pressure regulator wires, and everything seemed fine. BOBBYSS. I know it could either e the valve blowing Hey guys, newbie here to diesel page. some times had codes 1223,1226,1229,1232,1235, 1238,1241 & P1093 - Fuel Rail Pressure Low During Power Enrichment. 1 2. 4 posts · Joined 2023 Add to quote; Only show this user Mine is a 2021 3L Duramax Silverdo with 44,000 miles. com was founded in 2006 and created a site which 2005 Silverado EC/SB, LLY, 4WD, Edge CTS w/ EGT probe, LML Exhaust Manifold, PPE shimmed FPRV, Banks LBZ air cleaner, Profab intake, LBZ Turbo Mouthpiece, Kennedy twin lift pumps w/ megafilter, Chevy and GMC Duramax Diesel Forum. 2002 Chevy 2500HD LT 4x4 Extended Cab Short Bed 6. 14915 posts · Joined 2007 Add to quote; Only show this user Have you ever wanted a 425 WHP Duramax LLY? Well look no further, Jake has you covered. Paired with this Duramax engine was either a ZF 6-speed manual transmission or a heavy-duty 5-speed automatic Allison transmission. No chips with that, thank you. Come join the discussion about duramax engines, performance, builds, modifications p1093 code Fuel Rail Pressure too low. Top Contributors this Month View All ‐05 lly ‐Evolution cts3 running performance tune ‐Egr delete and blocker plate Duramax FICM Repair & Return Service Contact SIA Electronics today at (800)737-0915. 5-05 LLY Duramax Powertrain P1093 dtc help. If out of range Chevy 04. Only thing i havent check was the FPRV. On my lly duramax the plugs are broke on both ends where the FPR connector pigtail connects to the main engine harness connector pigtail. The bottle test was positive, so I ordered a rail plug. Chevy / GMC Duramax 04. (LB7) Duramax Second Generation: 2004. Jump to Latest 2. I've had my '05 LLY for about 3 months now. Tyler 04. Unfollow Forum Follow Forum Create thread Filters Show: Loading 1 1 of 292 Go to page. Save Share 04. Available for: 2004. 5-2005 (LLY) 2005 Stock 2500hd duramax & P1093 code. 2005 LLY P1093 Low Fuel Rail Pressure idle surge then no start. 04 Silverado Duramax 07 Silverado Duramax 03 Sierra LQ4 Denali 01 Silverado Duramax 09 Silverado SCRB 2500HD LY6 98 Suburban 04. 7K views 7 replies 5 participants last post by rikrod Dec 6, 2013. Any help is greatly appreciated. So I plugged in my efi live v2 and got these codes: PCM P1093- low fuel rail psi , 2001-2010 Chevrolet Silverado & GMC Sierra 6. 5 LLY, Mbrp downpipe, 4 inch cat back, egr delete, pcv reroute, shimmed and ported fuel system, lbz mouthpiece, modified air box, allseasondiesel steering arm brace, tierod sleeves, clamped rear leafs, hp tuners tuned for egr delete and turbo vanes at idle, Edge juice with attitude, kennedy Boost stick, HID's, smoked tails, thumping sounds system, ect. 32 posts · Joined 2011 Add to quote; Only show this user 2005 Silverado EC/SB, LLY, 4WD, Edge CTS w/ EGT probe, LML Exhaust Manifold, PPE shimmed FPRV, Banks LBZ air cleaner, Profab intake, LBZ Turbo Mouthpiece, Kennedy twin lift pumps w/ megafilter, Corsa 304 SS John 05 4 door short bed 4x4 chevy LLY EFI LIVE with McRat RACE tune, PPE Lift Pump, 4inch Turbo Back Strait Piped MBRP Duals, EGR block off, AFE stage 2 intake, Turbo resonator blocked off, 6000k HID kit, 305/75/16Super Swampers on stock rims, Auto Meter boost and pyro gauges, Killer sound system, Limo tint all the way around, Suncoast Stage IV built by Ive got a 2005 Chevrolet duramax with the LLY motor. Truck has been running great until today. 227 posts · Joined 2011 Add to quote; Only show this user #1 · May 30, 2012. People usually inspect there supply lines for kinks. Rdavis Discussion starter 1 post · Joined 2024 Add to quote; Only show this user #1 · Sep 5, 2024. Recently I was pulling my boat and it went into limp mode code p1093. I have a 2004 LLY Duramax that goes into limp mode only after getting to operation Ok this is my first time posting here, I’ve got a p-1093 code popping up on my 04. Jump to Latest problem was caused by the fuel filter,a dirty fuel filter will cause that every time although most times it will give a P1093 or P0087 CEL along with the 2k rev limiter. I installed new head gaskets, Bosch auth reman injectors from injectors direct, a 4094avnt turbo. 5-05 LLY Duramax Powertrain 2005 Duramax LLY LS trim 4x4 Mods: Secondary Cooling System with fan and shroud, Larger custom main radiator equipped with heat exchangers for oil and tranny fluids, larger transmission cooler, custom larger lower panel, KD custom ECM, EGR blocker, Sun Coast ram air hood, Air Raid intake, AFE turbo MP and downpipe back exhaust, 75Gallon aux tank, The Duramax LLY was offered in the Chevrolet Silverado HD and GMC Sierra HD as well as the Chevrolet Kodiak, and GMC TopKick models. 18,906 Satisfied Customers. 2003 LB7 Fuel rail pressure low (p1093) Hey all, this one has me losing my mind. Check out our LLY Duramax Specifications chart below for detailed information! 6. The LLY Duramax was produced from 2004 to 2006, before it was eventually replaced by the LBZ Duramax. I had to replace my head gaskets. Jump to Latest 7. 5-05 LLY Performance Parts Discussion Last Sunday my truck threw a code P1093 on my way to work. 5 LLY. Thus, the Chevy Silverado went relatively unchanged from 2003-2007, with the GMC My 2002 Chevy 3500 6. 2006 GMC CC/SB LLY 4" Magnaflow bye bye kitty #04-06-04-007G: Service Engine Soon (SES) Light On, DTCs P0087, P0093, P1093, Low Power, No Start, Hard Start, Fuel in Crankcase (Replace All Injectors - 04. p1093. Could also be the p1093 fuel limp mode "Too hard for too long" leads me to believe this is the case Sent from AutoGuide. However, no check engine light would show. Kennedy Diesels lift pump is very popular. Jump to Latest 333 views 2 I have never seen a check engine light but I have found the P1093 code with an OBD2 mobile app. will injectors cause this with the lly's. I have checked my fuelcooler, this seems fine and is defenitly not clogged. Also, if you have big mods and the engine needs more fuel than can be Truck will randomly pop a p1093 for rail pressure and a p0101 for mass air flow sensor. 38x13. 6Duramax 3500 truck. One dealership said injectors, one said FPR, one said injector pump. We hooked a scan tool to it and all injectors showed between -2 to +2. 292. 5 LB7 Forums. 1K views 13 replies I started off with a p1093 code thought it was the fuel filter on my fass. I'll try to make this quick and easy. P1093 need help. Save Share What is the P1093 Duramax error code? P1093 is a trouble code set in the electric control unit of the vehicle module. Jump to Latest 698 views The truck has never had a problem starting up and doesn’t smoke. 5ft bed Rhino Lined Rolling Tonneau Cover BFGoodrich All Terrain T/A KO2's on 17" Black V-Tech Rims. 8 posts · Joined 2022 Add to quote; Only show this user #1 · Sep 26, 2022. 5 - 2010 GM Duramax LLY/LBZ/LMM 2008 - 2010 Dodge Cummins 6. 2005 6. has an egr code, a glow plug module code, and it had a p1093 code once but I can’t get it to come back. bleedinorange17. Put in ARP studs, new gaskets, changed the intake to an Lbz, added a shim to the fuel rail. 5-2006 model years. PPE Dual CP3's To diagnose the P1093 Chevrolet code, it typically requires 1. The answer isn't a finger stick. pump rub prevention plate. EFI Live by Idaho Rob, 660K+ and rolling, Undercover Bed Cover, Vortex spray in bed liner, Odyssey Extreme Batteries, Westin steps, Bilstein Shocks, Road Master Active Suspension, M/A Pump Rub Kit, PPE Trans Cooler, PPE 3" downpipe, MBRP 5" Exhaust, Edge Insight CTS, K&N drop in filter, AirDog II 100 w/ Shop PPE Release Valve Shim Kit 113072000 for the 2004. it has no trouble starting, no excessive smoke , and until the code sets runs great. 6L duramax diesel is going off. It continues to throw the P1093 code. The specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. 6L Duramax Diesel LB7 LLY LBZ LMM. Instead, many LLY Duramax problems stem from overheating. Duramaxdiesels. I replaced the fuel filter with the same one a racor R90s. mpr3369 Discussion starter. dual 4" mbrp exhaust. 0. 2005 lly duramax. I don't have the ability to command the fuel pressure up to 21,000 at idle so I can't check that unless someone in the Brunswick, ME area has a Tech II or EFI live and is willing to lend a hand. P1093 code. straight pipe otherwise all stock. 5-05 LLY Duramax Powertrain P1093, low on power. A 2004. 224,000 miles truck seems to run great, wish i Google (Duramax LLY low fuel rail pressure code whille towing) Lots to read. 5-05 LLY Duramax Powertrain LLY wont rev over 2000 RPM. P1093 fc. Code P1093 was stored, which 04. Engine TSB #PIP4526: Diesel Engine Fuel Line Repairs - keywords DTC hose kink loss P0087 P0093 P1093 pipe power reduced repair restrict restriction SES suction supply vacuum - (Nov 7, 2008) I'm sure this is a thread from I have a 2005 LLY stock non modified engine. the truck threw a P1093 . I can go full throttle and The P1093 is the oldest of the LLY performance problems, and we know shimming/race-valve fixes 99% of trucks with this problem. Loses. what confused me is it runs perfectly fine with my ppe in it. 7 2004 lb7 ccsb 4x4. Like the LB7, the LLY Duramax can last a very long time if taken care of properly. 5-05 LLY Duramax Powertrain. 2006 GMC CC/SB LLY 4" Magnaflow bye bye kitty #04-06-04-007G: Service Engine Soon (SES) Light On, DTCs P0087, P0093, P1093, Low Power, No Start, Hard Start, Fuel in Crankcase (Replace All Injectors - 2005 Sierra 2500 HD LLY Duramax EGR Blocked - EGR Cooler bypassed Merchant Auto LBZ mouthpiece Mod S&B Cold Air intake. jmaz268. Check your injector pulse widths also with a scan tool or scope. Any help is much appreciated, thanks in It eliminates potential low fuel rail pressure DTC codes P1093 or P0087 (low fuel rail pressure during power enrichment) that are caused by insufficient pressure relief valve spring pressure. 6. 6L Duramax is smoking like a chimney at an idle (white smoke). I replaced the fuel filter with a cat one and filled it with almost 2 bottles of seafoam and it seemed to clean up the surge a bit so it isnt as bad. 5-2005 (LLY) P1093 code. Mar 7, 2012 I guess this could be contributing to my p1093 code! Who needs a computer when you have tapatalk?? ripmf666 Active member. I've primed the filter and Just had all 8 injectors replaced two weeks ago due to throwing p1093 when hauling my trailer. I have a 2004 LLY Duramax that goes into limp mode only after getting to operation LLY . Might have to do the ice pick trick, do a search or ice pick. The truck is all stock and I just changed the fuel filter. The design of the stock turbo inlet manifold, also known as the 04. I clear the code and truck drives perfect until the next steady incline. Jump to Latest 11K views 20 P1093 low fuel rail pressure upon fuel enrichment. 5 LLY, 2X, shell, XDR, MikeL Heavy duty up-grade, 6spd, TransGo, deep pan, de-badged, 65 Gallon replacement Aero tank, LBZ-mp, Kennedy pump, shimmed, Pre-fuel filter, tow mirrors, BU cam, gauges, GPS, Sirius, bags, custom grille, fender vents, HD trans cooler- Curt front hitch, footwell lights, load lights, Studs, head gaskets Duramax LLY: 2004. P1093 Isuzu 4JJ1 - p1093 isuzu d max. 5-05 LLY Duramax Powertrain P1093 fuel rail pressure low I just got a 04. I've primed the filter and can get it rock hard, then if I push on the schrader valve, it squirts out then no more. NOT the FPRV!!! Chevy 04. Less common is some higher mileage trucks lost the head gaskets. I have a 06 lly duramax with 6 gun banks tuner with pda read out, 5 inch dimond eye exgaust, 6 inch lift, 35 by 12. I currently use this truck to haul an 18' trailer with either hay, or my tractor and a 4-wheeler. I went ahead an ran it because I didnt really have a choice. New fprv and shim kit, new fpr, new filters. 6L Diesel Engine RPO codes LB7 LBZ LLY LMM The 05 ext cab lly. XDP carries all the parts and accessories you need for the best diesel performance. Once it arrived, I removed the glow plug module only to find that the corners of the relief valve had been completely rounded off. Ever i have a 05 lly that throws a p1093 code on accel usually trying to pass sombody, i replaced the fuel filter already. 5 with a LLY duramax motor. I then made it another 25 miles or so and it did the same thing except this time, the code would come back as soon as I put my foot on the throttle and it 04. 5-2005 (LLY) Need Advice, DTC P1093. 6:53. 715 posts 04. 0 04. 5 2500hd and I haven't been driving it for a week now cause I can't figure out the problem I got the p1093 code for low fuel rail pressure so I looked it up on the forum and some people say change the fuel filter or it's the fprv so I changed both of those and it 04. P1093 :Fuel 04. The Silverado/Sierra continued to ride on the GMT800/880 platform and was used 04. There has been no coolant loss or oil consumption. The code I have is P1093. Low rail pressure during enrichment. 6L Duramax diesel engine. Jump to Latest 11K Ok guys so I have searched all over for some info but cant seem to find very much. Lescook · Registered. Jump to Latest Going into limp mode after about 30 seconds of medium to high throttle( p1093 low rail pressure) comes up when this happens clear the code and is good for a min. Fuel vacuum gauge showed 3 inches of vacuum P1093 code on my 2005 6. You are just hiding a problem. Go to Duramax r/Duramax • by Notleroybrown. 6K Same problem as before anytime lightly accelerate under load it codes p1093 and only that. I have an 05 lly duramax and when I first put a bullydog programmer on mine I started getting lots of codes. 6K views 8 replies 4 participants last post by pinon. Second time I've limped my truck and got this code. 21-SOLD 2005 LLY Duramax *Ally*-Volant intake, mbrp 5" straight piped exhaust, 6" tip, adp race plug, afe mouthpiece, bullydog outlook, ppe standard set @ lvl 1, moog steering, ranch hands, warn 15k winch, 6k hids, 2 10" memphis subs, smoked lights, 17" vision warriors, 285s 'Re-treads', towing mirrors, rhino lined, 75 gallon sliptank/ toolbox combo, cobra night watch cb, pa Duramax Second Generation: 2004. My 05 LLY has thrown a p1093 a few times recently, which lead me to do the bottle test. Almost like the filter head is draining. I have a 04. 6L LLY Duramax CC SB 4x4 132K. 657 posts · Joined 2011 Add to quote; Only show this user #1 · Aug 13, 2012. 8 MPa with key on and engine off. I started by replacing the fuel filter(CAT Filter). 6L Duramax K and N air intake LLY, 4WD, Edge CTS w/ EGT probe, LML Exhaust Manifold, PPE shimmed I did some extensive research on these common rail systems. Recently purchased a 2002 Duramax with tons of issues so far. I then made it another 25 miles or so and it did the same thing except this time, the code would come back as soon as I put my foot on the throttle and it 06-07 LBZ & LLY Duramax Powertrain p1093, Out of things to try. com has the pigtail for $30 shipped, so I should be in the clear once it arrives. So I plugged in my efi live v2 and got these codes: PCM P1093- low fuel rail psi , 04. When it comes to comparing the LBZ and LLY Duramax engines, the main difference between the two comes down to power and torque. I cut one open after about 500 miles to find it clean. 1:02. I have a 05 LLY that only throws a code P1093 when i am pulling my 5th wheel. '16 Chev 2500HD LTZ Z71, CC, Duramax, Allsion, 4wd, new Sept 2016, has factory fifth wheel Chevy / GMC Duramax 01-04. P1094 and surging. Brand new FPR, brand new Fuel filter, fuel is good, LBZ mouthpiece is the only mod. slightly modded. I stopped at a stop light and the A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. 50 tires and banks cold air intake. A new variable vane turbocharger and an EGR system were also added. Jump to Latest 8. When using the scan tool to increase rail pressure at idle, if you can’t get to 21,000 PSI then the injectors are usually bad. transfer case brace. GM had resolved the injector problems by the time the LLY engine was released. 17 cclb are 3500. Sep 20, 2006 15,123 14 38 47 Duramaxdiesels. 5-2005 (LLY) LLY throwing P0101, P0102, P0401, P0404 codes . any suggestions to get the truck goin again? this thing is his 04. 86burgandyss · Registered. 5-05 LLY Duramax Powertrain Losing Prime. 5-05 LLY Forum. k&n intake. The MIL was on and the vehicle exhibited intermittent low power. siaelec. Check engine - p0192, p1093, p1094. I wasnt there so i dont know exactly what was different. 6L Duramax LLY diesel overview including history on the progress of the Duramax 6600 engine platform and changes made for the 2006 model year LLY. Jump to Latest Any used FICM's for a 2005 LLY? See less See more 2005 LT 4X4 crew cab, bone stock. This is an older thread, you may not receive a response, and could be reviving an old thread. 5-2005 (LLY) code p1621. 0 hour of labor. This just started happening 3 weeks ago while on stock level:wtf. Jump to Latest 4. 04. 5 LB7 Duramax Powertrain P1093 p1094 lb7. 5-10 LMM Duramax Powertrain keywords DTC hose kink loss P0087 P0093 P1093 pipe power reduced repair restrict restriction SES suction supply vacuum - (Nov 7, 2008) 2007-2009 Chevrolet Silverado 2007-2009 GMC Sierra Equipped with the 6. As Josh mentioned injectors can cause this issue. 05 Chevy LLY There is however a P1093 which is a fuel rail pressure sensor code. 4 at the source voltage to the FPR p1093--ecm--fuel rail pressure low during power enrichment. The 06-- can be a LLY or a LBZ--same engine and all parts-- the LLY had a mild tune. 93 psi Fuel Pressure Regulator Command: 14% I don't have any DTC's setting and only have had the intermittent P1093 in the past. Jump to Latest My buddy scanned it and it came back p1093 Power Enrichment. Top Contributors this Month View All SOLD - 2004 LLY 2500HD Crew Cab Long Bed So after installing the tuner, took test drive and DTC P1093, P1094, and a P1287 I think it was popped up. P1093 Fuel Rail Pressure Low During Power Enrichment. Save Share Reply Quote Like. Jump to Latest 3. If you want to know which LLY you're looking at, you can either look at the model-year of the truck (if the truck is a 2004, a 2005, or a 2006). Generation Duramax section (LB7) for better responses to your questions and issues Here is a thread on the P1093 code: 6. Jump to Latest 28K views 11 replies Good afternoon I have A 2005 Chevy 3500 6. Any Ideas? Save Share Reply Quote Like. Does not always happen when accelerating. lly p1093. I had a c4500 duramax with the 6. Started giving Check Engine Light on at 36,000 just past the warranty. I replaced the fuel filter with ac delco filter. Quick history, Had injectors and cp3 replaced LBZ vs LLY Main Differences. However 2/3 of it was stained with diesel, 1/3 still pretty and white like only 04. 5-05 LLY Duramax Powertrain P1093. LLY: Jump to Latest 15K views 11 no rail pressure and code p1093. 5-05 LLY Duramax Powertrain P0089 With new CP3 and FPR. 4) Rail pressure should read 1-1. The ABS could just be a coincidence. I figured that meant it had a FPRV so I changed that but it still returns the same amount. Jump to Latest P1093 - P1621 - control module long term memory performance I farm and this is my work truck with all my tools so it really needs to get going. 49 posts · Joined 2012 Add to quote; Only show this user #1 · Sep 14, 2020. So I plugged in my efi live v2 and got these codes: PCM P1093- low fuel rail psi , DIC 2005 Silverado EC/SB, LLY, 4WD, Edge CTS w/ EGT probe, LML Exhaust Manifold, PPE shimmed FPRV, Banks LBZ air cleaner, Profab intake, LBZ Turbo Mouthpiece, Kennedy twin lift pumps w/ megafilter, Corsa 304 SS Exhaust, Mike L tranny cooler, EXAXT Steering System, Redhead Power Steering Box w/ Amsoil PS fluid, Green Torsion Keys, Duramax p1093 LLY Blocked hard line on engine fix - p1093 isuzu d max. Change fuel filters multiple times, checked for kincked and soft fuel lines , all injectors fire just fine. Looking at the scanner, no rail pressure and code p1093. The girlfriend's truck is 04. By chatting and providing personal info, i have a lly 05 duramax. That means you need to follow the proper service schedule and use the right parts. Jump to Latest I also have unknown DTC's P1093 & P1094. when this was happening the truck would barely Duramax p1093 LLY Blocked hard line on engine fix - p1093 isuzu d max. Requires the use of a Viton O-Ring (113073001) sold separately. Jump to Latest 5K views Sets a p1093 code. About us. I have a 2005 duramax, that popped a P1093 code the other day while towing my 30 foot camping trailer and lost power. J. 0 stock liters of diesel goodness 04. 6l Duramax LLY Allison Transmission Bought in July 2010. So now I believe it is time to like said by MeBucko, time to get a scanner on this thing to look at rail pressures and such. Nov 16, 2013 489 0 16 Ohio. P0087 is just another symptom of the other codes. 5-2010 GM 6. Straight pipe O5 CC SB LLY-Gone. Specialities include: P1093 Duramax error code indicates low fuel rail pressure in the vehicles, which is caused by the faulty FRP sensor and clogged filter. 5r20 toyo open country. The other solution is to add a lift pump. This is a severe issue as it can permanently damage your fuel pump or injector and will ultimately cost the car P0093 or P1093 mean there is a large difference between the desired and actual rail pressures. Low fuel rail pressure, need help diagnosing. 5--05 years had a connection problem with the injectors, and a wear through on the FICM harness-- both an easy fix. 05 LLY new cp3, race plug and new injectors still have p1093. The PPE Release Valve Shim Kit eliminates low fuel rail pressure DTC codes P1093 or P0087 (low fuel rail pressure during power enrichment) and is recommended for high Well I was finally able to pull a code out of my truck. It already has the EGR delete kit on it, and the silencer delete on the air intake boot off of the turbo. Jump to Latest 10K views 14 Now I threw the notorious P1093 code, actually for about a month now but first time I bottle tested it was dry. I have been through 3 fuel filters in 1500 milesso I doubt it is bad fuel or filter. it has a lift pump on it, Justin 2001 LB7 Silverado 2500HD LT CCSB 4x4. com Free App . origins89 Sep 28, 2022. Jump to Latest 22K views 22 replies just recently bought an 05 lly for a great deal and I really like the truck and it runs good but I’m having a loping/surging issue. 6l (lly) duramax diesel engine diagnostic parameters sensed parameter fault code acceptable operating range and rationality primary malfunction detection parameters secondary monitoring parameters and conditions monitoring time length and frequency of check monitoring method fault code storage and mil illumination camshaft position [cmp] 04. 2004. I have inspected the fuel tank and the fuel feed unit with the all that is with it. Parts for GM Silverado/Sierra 2500HD/3500HD trucks powered by the Duramax LLY are still readily available. 6L LLY that was giving me some grief when pulling a load up a grade. 2005 GMC SLT 6. Im working on a 2004 duramax with the LLY in it. The only other codes I have are egr related since that system is deleted. ended up being the connector to the PRESSURE SENSOR on the junction block. 5-2005 (LLY) P1093 Shim Mod Instructions: Jump to Latest To the best of my knowledge, there is not a way to run a 13 second ET in an LLY without throwing an occassional P1093 code other than doing this mod. My 02 has had it forever. It also posted improvements in tow capacity, horsepower, and torque. 5K views it sets the P1093 lean fuel code and P0677 #7 glow plug control module code and the truck goes to limp mode. here is a little more info i found, Some common causes are a dirty fuel filter, no fuel supply to the CP3 while running a large tune, a weak CP3 or failed/failing injectors. 5-2005 LLY is quite different in many ways. Come join the discussion about modifications, towing, classifieds, Customer: 2005 duramax code po1093 code keeps popping up what does it mean when it codes up loses all power and have to shut down and then it will keep going. My son recently purchased a 2004 duramax. Here is a quick write up i made. Jump to Latest 1K views 0 replies 1 participant last post by yfzgoody Aug 13, 2012. We just bought this truck and runs great except when pulling our camper. 2004 LLY Freeze Frame: P1093 Actual Fuel Rail Pressure: 8119. EFILive "2CP3" Tuning, Mike L Suncoast Trans. 5-05 LLY Duramax Powertrain P0224, P1093, P2227. It is throwing a P1093 code. 5 4x4 ~160k miles '05 2500HD 6. LLY: Jump to Latest 14K views 6 Checked the code and it was P1093. 2L Diesel Engine Suspension & Steering - 2001 - 2010 Top Contributors this Month View All What is the P1093 Duramax error code? P1093 is a trouble code set in the electric control unit of the vehicle module. Truck had an LBZ cp3 and regulator, and my tuning has been updated for the turbo and rescaled for My 2002 Chevy 3500 6. B/DT Bonneville & El Mirage record holder, best mph 197mph 2005 GMC 2500HD LLY "Casper" - 10. i performed the bottle test and it filled up half of the container i was using within a few seconds. The check engine light came on and it said low fuel rail pressure and was in limp mode. It was almost identical to the LB7, with emissions control parts still absent. The Duramax LLY was offered in the Chevrolet Silverado HD and GMC Sierra HD as well as the Chevrolet Kodiak, and GMC TopKick models. LLY. I have read a bunch on this forum and others to educate myself on this problem. Fireman98us 04. It also has a Bean machine lifter pump, with the fuel filters mointed on the side of the frame and lines coming straight from the lifter pump, to the filters. Jump to Latest P0090 and P1093 codes. P1093, P0670 Codes on LLY Duramax. afe turbo inlet. We strive to keep this 2005 Chevy Crew Cab Short Box LT 6. Noticed a lag of power. None of these seem to affect the performance of my truck at any time HOWEVER, I've been having an issue with my fuel gauge not working. 6L Duramax LLY. 2K views 12 replies It has been throwing the p1093 code a lot lately, I've done the obvious that I have found on here. 4K views but the p1093 code is stored. My racing tunes won't "limp", but 04. 5-05 LLY Duramax Powertrain P1093 & P0087. Just put a straight pipe on it. This could be caused by a plugged fuel filter. I change mine like clockwork prior to this, and had only got 6. P1093 & P0677, Balance rates. LLY Crank/no start Thread starter Jstahl71 I performed the bottle test and did not produce any fuel. One small detail to note is it's easy to start when cold and then has extended crank after it has been running. I personally prefer LLY's, they are most notorious for headgasket issues but after 15+ years I'm fairly confident that if there was an issue with the truck, a previous owner would have fixed it. Jump to Latest 3K views Dropped it off at the dealer today, they pulled a P1093 code , they called me and told me I must have picked up some bad gas ( clogged Fuel Filter ) 04. 3. i just replaced the fuel filter with a purolater last week also. Fireman98us The codes are for the injector harness on #2, which is typical of the LLY engine (#7 is known to go bad, too). The truck would fall on its face under heavy acceleration and eventually limp to about 2000 rpm. Application Spec Notes; A/C Compressor Bolt: 37 lb ft: Air Conditioning Compressor/Power Steering Pump Bracket Bolt: 34 lb ft: Axle shaft nut: 177 lb ft: Brake hose bracket bolt: 80 lb in: Brake hose clip bolts: 106 lb in: Bump stop nut: Chevy / GMC Duramax 04. 5-2005 (LLY) 6. Top Contributors this 04. 5 lly duramax. Also problem didn’t arise until I put a bully dog tuner on it. This is after I installed a 4in exhaust and an s&b intake. It has an EFI live 60HP tune in it. RZRSharp New member. 6 Duramax LLy I have code p1093 and I’m about to lose my mind I did the bottle test no fuel in bottle injector pump new new fuel pressure sensor new pressure relief valve i only have a fuel water filter and I have change that as well someone removed the rear filter under the driver side rear and is straight fuel. R. truck is a xcab long bed 2x4 with about 128,000mi on it. 59 @ 129. A forum community dedicated to Chevy and GMC Duramax diesel 04. im new to diesels When the LLY Duramax replaced the LB7, it offered several improvements. still get the p1093 pulling a load then install a new gm cp3 pump cause fprv was acting up still p1093. LLY engine code P1294. Shut off truck, restart. 5-05 LLY Performance Parts Discussion Hey guys, Im working on a 2004 duramax with the LLY in it. Jump to Latest Still has p1093 trouble code. did my research and determined putting a ppe race plug was the cheapest route to go right in this thread in this sub-forum in the entire site. From all out performance builds running 8 second ¼ mile territory, to just got back from the mechanics, not the dealer, two codes were pulled. 05 GMC CC 2500HD 4x4. Jump to Latest 10K views 14 p1093 p1094 any help would be great! 2015 All Terrain LML. This did not fix the problem. The injection pump is brand new. 5-2005 (LLY) No start, no fuel pressure, p1093. L. 01-04. View community ranking In the Top 5% of largest communities on Reddit. No real problems-- probably the best Duramax I have an 05 lly duramax and when I first put a bullydog programmer on mine I started getting lots of codes. Chad 04. In this case, you will get the p1093 error code and your truck won’t start. 4K (CAD$1000 - this was after the first limp event and we thought it was a downshifting issue); P1093 which led to replacing the FPRV (CAD$1200); P0101 so the MAF sensor was replaced (CAD$1200). Should I be looking for leaking fuel lines? TSB #PIP4526: Diesel Engine Fuel Line Repairs - keywords DTC hose kink loss P0087 P0093 P1093 pipe power reduced repair restrict restriction SES suction supply vacuum - (Nov 7, 2008) I'm sure this is a thread from the dead BUT. 2005 ccsb lly stockish. I bought the FPR connector pigtail but the connector on the main 2005 6. Jump to Latest Follow Hey Everyone! Enter your ride HERE to be a part of this months Ride of the Month Challenge! 1 - 2 of 2 Posts. Dealership replaced Duramax Second Generation: 2004. So I have been chasing these two codes for a bit. Come join the discussion about duramax engines, performance, builds, modifications, classifieds, troubleshooting, maintenance, and more! (LB7) Duramax Second Generation: 2004. LLY Injector Knock, Codes P1223, P1226, P1235, P1241. Efi live tuned by Rob at ATP, Built trans by Brad at Calvins Auto, Wehrli custom fab s475/stock twin turbo kit, ARP head studs, tie rod sleeves, cognito idler/pitman arm braces, cognito traction bars, airdog 165, turbo horn, LML driver side manifold, cat fuel filter adapter 1r-0749, installed cab lights and tow mirrors. I ran some hot shots cleaner and the code went off. 2L Diesel Engine Suspension & Steering - 2001 - 2010 Top Contributors this Month View All 04. kodiak p1093 code. ( I didn't set the code or cause the valve to fail during the WOT run 1st time) Duramax Second Generation: 2004. 07. com was founded in 2006 and created a site which houses some of the best known Duramax tech you can find. It was a stepping Duramax LB7 with Allison Transmission Edge Juice with attitude AFE Cold air Intake 4in. Joined Jun 7, 2007 · 2,447 Posts #21 previous: 2021 LM2 CC std box 4x4 ; '18 2500 L5P CCSB 4x4; '11 LML, '10 LMM and 04. Jump to Latest 132 views 5 replies 3 participants last post by Boudin Sep 13, 2024. 5 LLY Chevy 6. both say my fuel rail pressure is too low, and 1093 says its too low during power enrichment, what ever that means. 5 LLY, 2X, shell, XDR, MikeL Heavy duty up-grade, 6spd, TransGo, deep pan, de-badged, 65 Gallon replacement Aero tank, LBZ-mp, Kennedy pump, shimmed, Pre-fuel filter, tow mirrors, BU cam, gauges, GPS, Sirius, bags, custom grille, fender vents, HD trans cooler- Curt front hitch, footwell lights, load lights, Studs, head gaskets Skip to main content. 05llygmc Discussion starter. Hey guys, new to this thread. Jump to Latest Also to aviod P1093's change your fuel filter every other oil change about 10k at the most!!! Also there was a recall on the filters for older trucks, if your truck has not had it done, you might get it for free!!!! I don't have any DTC's setting and only have had the intermittent P1093 in the past. Being aware of them helps to fix the code faster. It just started getting worse, knocking and shaking, blowing blue and white smoke at idol or going down the 04. 2K views Some codes such as P1093, low rail pressure on throttle up, will clear when you shut it off and turn it back on to read the codes. Go. Has no power and smokes when pushing the throttle. Jump to Latest So I cleared the P0089 code and took it for a ride tonight, now it throws a P1093. or it could be ecm. 29 92K Oct 5, 2024 04. Circling back to the engine’s overheating problem, it was primarily due to its restrictive turbo inlet manifold. Ever thought about what the P2149 code means on Duramax? Duramax P2149 means there’s a problem with the car’s fuel injector. Also is slightly random. Banks Big Hoss Bundle w/IQ,ATS Co-Pilot and valve body, K&N 77 FIPK, Airlift air springs and compressor, upgrade Duramax Second Generation: 2004. 2K views 9 replies 6. Fprv shimming q&a. You might One solution would be to replace all of those soft lines with a good quality hose that's not likely to collapse under suction. 6L Duramax Silverado Edge CTS Tuner EGR Block-off Plate 6. 5 GMC SLT 4X4 CCLB LLY Ally, some mystery stuff, trans by Mike L, Magnaflow DP, 4" CAT back, Ride Rites, LBZ turbo inlet mod, AD II 165, po' man CAI, HIDs, stock height, Cognito tie rods, Kryptonite pitman & idler, Bilstein 5100s, Isspros, H2 wheels with Toyo OC 285-70-17s #PIP4526: Diesel Engine Fuel Line Repairs - keywords DTC hose kink loss P0087 P0093 P1093 pipe power reduced repair restrict restriction SES suction supply vacuum - (Nov 7, 2008) Subject: Diesel Engine Fuel Line Repairs Models: 2001-2007 Chevrolet Silverado Classic 2001-2007 GMC Sierra Classic 2007-2009 Chevrolet Silverado 2007-2009 GMC Sierra Chevy / GMC Duramax 07. I have already changed out the MP using KillerBee's kit. EFI live dsp5. a couple of days ago I put about 10 gallons of fuel in it and it immediately starting knocking and shaking and carrying on. 6L Duramax LLY/LBZ/LMM . All the duramax platforms have their quirks. 7 My 2005 3500 duramax service truck will not rev over 2000 Rpms. My truck I just bought. 5-05 LLY Duramax Powertrain trouble codes. Not sure where to go from here. 5K views 24 replies my buddys 05lly with the edge in it gives this code p1093 in level 5 04. Causes: Symptoms: Dirty fuel filter: Get a Check Engine light: Defective fuel injectors: The truck might lose power: Faulty CP3 pump: Crank for a half-second 04. P0193 fuel rail pressure sensor signal high. Tags cp3 fuel fuel rail pressure code injection pump lly 2005 P1093 low rail pressure during power enrichment. redneckcowboy28 Discussion starter. Truck is a 2005 LLY 143,000 miles on it. 5-10 LMM Forums. You may need a code reader that can read the historical codes and their freeze frame 2001 – 2007 6. I had the Predator set on the Tow Tune. 2005 lly low fuel pressure during power enrichment. 0L Gas engine would probably be cheaper on maintenance and 2005 Sierra 2500 HD LLY Duramax EGR Blocked - EGR Cooler bypassed Merchant Auto LBZ mouthpiece Mod S&B Cold Air intake. 4. Fortunately, Rockauto. 2005 Chevy 2500HD Duramax LLY crew cab, Leather, full power Edge juice with attitude Banks monster Exhaust AFE 04. 5 LLY 211k purchased w 160k second owner older guy owned had a bed slide in it at one point a 5th wheel its mint in and out and records drives great nice and tight been taken care of so it seems i got it as a transport / work truck it was having heating issues did all the LBZ mods on intake race valve straight pipe tune is soon to come Best Duramax LLY Performance Upgrades. Jump to Latest 1. If you maintain your LLY by yourself Hey guys, Im working on a 2004 duramax with the LLY in it. Save Share Duramax Second Generation: 2004. TimothyJ12 Discussion starter. 21 psi Desired Fuel Rail Pressure: 22770. So I cleared the code and returned to stock tune. 2L Diesel Engine Suspension & Steering - 2001 - 2010. Lift Pump. r/Duramax A chip A chip Duramax Second Generation: 2004. precision industries torque converter. 5 lly install mass 150 lift pump. 2:10. Tags p0670 p1093. I’m at a loss. Save Share The 2006 LLY is actually an LBZ with a different name. 2023 AT-4 HD 6. 2005 LLY starts, idles fine but stalls and smokes. The LBZ engine is more powerful, with 360 horsepower and 650 lb-ft of torque at 1600rpm. 5-2005 the Duramax LLY was rated at 310 hp and 520 lb-ft of torque. Open menu Open navigation Go to Reddit Home. In park it kicks up the idle to about 1200 RPMs. From all out performance builds running 8 second ¼ mile territory, to Instead, many LLY Duramax problems stem from overheating. Discussion Starter Code P1093. Duramax Fuel Code P1093(4 degrees) Jump to Latest 6. 1K views 3 05 2500HD LLY 170,000 miles keeps setting P1093 and going into limp in mode. It is found in Chevrolet Silverado and GMC Sierra 2500 and 3500 pickup trucks in addition to the Chevrolet Kodiak and GMC TopKick medium Ok guys, I finished putting my LLY back together two weeks ago, and she's giving me trouble already. Usually the p0087 is caused Sometimes you can face the p1093 Duramax no start issue on your 2005 6. 5-05 LLY Duramax Powertrain LLY fuel problem. Total trailer weight about 9500 or so. My truck have experiencesd long crank times. So i have been struggeling with the p1093 code for quite a while now. Crasher; Apr 11, 2013; 2. Jump to Latest 2005 2500 lly crewcab duramax turbo mouth piece, ppe programmer on level 2, pcv re route, welded water pump. The LLY was the second generation Duramax diesel production from 2004 to 2006. put in race plug truck will go in limp mode with no code after about 20 miles motor is stock no programmer with 200,000 on it. Between 2004. suncoast stage Iv trans. This test is specifically for the LBZ engine, but could be applied to LLY and LMM engines also. 06" FS air bags, PPE tie rod sleeves, Cognito UCA's and keys, Fox 2. 2004 LLY C&C 4in. I am having the same DTC of P1093 in my 05'. GM only produced the Duramax LLY engine for a short time. I'm running autoenginuity Scanner to monitor Desired vs actual fuel rail pressure. I have changed all the hoses, both feeding and return from the tank and all the hoses in the enginebay. 5L Diesel Engine Duramax First Generation: 2001-2004 (LB7) Duramax Second Generation: 2004. 7K views 10 replies 3 participants last post by redneckcowboy28 Feb 21, 2021. 5-2005 (LLY) P1293 on 2005 LLY. truck pulls hard like it has no problem then go into limp mode Hey there not new to forum just new to posting on it I have a 2005 LLY gmc 3500 I have popped the week ruining p1093 I was running empty and just on my commute home it was one of those days where work was hell so you just drive slow and don’t listen to music and reflect on how everything at work was miserable lol but I popped the code once before when I was DTC P1093 Fuel Rail Pressure Low During Power Enrichment Conditions for Running the DTC 2005 Chevy Silverado 3500LT SRW D/A CC/LB LLY 4x4 (loaded) LBZ MP, TxCAI, Stack sealing, Mass/IAT shield, LML manifold I have been using Wix filters, he says Wix filters aren't sufficient for the Duramax motors, says they don't stop water, use AC The P1093 is the oldest of the LLY performance problems, and we know shimming/race-valve fixes 99% of trucks with this problem. I got your same code, and then it lead to underboost codes and stuff like that. ASE MASTER CERTIFIED, AA DEGREE AUTO/DIESEL TECH. Most auto repair shops commonly charge between $80 and $150 per hour; however, rates in metropolitan areas or at 04. 5 LLY, Mbrp downpipe, 4 inch cat back, egr delete, pcv reroute, shimmed and ported fuel system, lbz mouthpiece, modified air box, allseasondiesel steering arm brace, tierod sleeves, clamped rear leafs, hp 2005 Duramax LLY LS trim 4x4 Mods: Secondary Cooling System with fan and shroud, Larger custom main radiator equipped with heat exchangers for oil and tranny fluids, larger transmission cooler, custom larger lower panel, KD custom ECM, EGR blocker, Sun Coast ram air hood, Air Raid intake, AFE turbo MP and downpipe back exhaust, 75Gallon aux tank, -Jon S. Throwing a 1093 when passing a car on a two lane mountain road is VERY dangerous. muffler delete. I do know this. I haven’t replaced injectors or cp3 was hoping it may just be a fuel line clogged or bad. It then - Answered by a verified Chevy Mechanic. I checked the voltage and ground at the connector to the FPR (at the jumper harness that is accessible) and did notice when I plugged it back in, the voltage dropped from 12v to 2. dtc p1093? Jump to Latest 13K views 17 He is draining the rail to get the P1093, i would recomend a lift pump if he runs that often and hard. LLY: Jump to Latest 9. This problem can happen if the fuel rail pressure sensor 05 2500HD LLY 170,000 miles keeps setting P1093 and going into limp in mode. jlawles2. P1093. 5-05 LLY Duramax Powertrain p1093 Trouble. totally stock 05 lly. Jump to Latest 4K views 6 replies 7 participants last post by Ironman070809 Jun 7, 2009. After reading alot of different posts, it seems the obvious (and cheapest)place to start was the fuel filter. Some LLY engines have a reflash that addresses A DTC code like the P2149 on the Duramax identifies some serious issues a car’s engine can have. 6 Duramax LLY - AFE mouthpiece with Banks Economind/IQ & Speedbrake. A forum community dedicated to Chevy and GMC Duramax diesel owners 2005 lly, 7-10 psi at idle, 23-28 psi at 2000 rpms, have been told by 4 different duramax techs, this was normal but only in the 2005, lly,, not sure why but its scary when toting 13,500 lbs of 5th wheel cross country. any suggestions to get the truck goin again? this thing is his Chevy / GMC Duramax 04. 5-05 LLY Duramax Powertrain P1093 Code and Limping. p1093 and another, didn't pay much attention after the first one. Most injector issues start with this code and then progress to a p1093 and a p1094 (low rail pressure at idle). . Joined Mar 17, 2015 · 5 Posts. Mar 24, 2014 #3 Bank 2 is passenger side, check your connections at the injectors. 5-2005 (LLY) P1093 Code / Fuel Filters / Can't Figure Out. I logged the truck with efi and could see rail pressure jump below what was desired The P1093 code on Duramax indicates that the engine is having a huge crisis in the motor compartment and is low on fuel. 6 stock liters of diesel goodness 2021 AT-4 with 3. 8th digit of the VIN is a "1" for LB7 and a "2" for LLY. If I crack a steel fuel line to the injector and crank, it just dribbles out. 32 posts · Joined 2011 Add to quote; Only show this user 2004 Chevy C5500 with LLY engine. The Silverado/Sierra continued to ride on the GMT800/880 platform and was used up until 2007 when the new GMT900/910 debuted. I have most squared away but im getting a P1093. It indicates that the fuel rail pressure is too low. com 05 Chevy, CCSB, 4x4, egr delete, 5" straight pipe, s&b turbo mouthpiece, airdog 165, LDS 15 overs, edge evolution cts3. Sticky LLY Low Oil Pressure. LLY: Jump to Latest 5. rettr1 2001 GMC Sierra crew cab SLT 6. 6K views 8 I am getting a P0089 anda P1093 codes. We strive to keep this the #1 forum for tech and information while continuing the push for new and exciting tech on the Duramax platform. Help please! Jump to Latest 23K views 3 replies 3 participants last post by mpr3369 Jun 3, 2012. Sort by Oldest first Oldest first Newest first Most reactions. Jump to Latest We have a 2002 LB7 with p1093 and p1094. P1093- Low Fuel Rail Pressure!!!!! The last 3 to 4 months!!!! Jump to Latest 21 - 22 of 22 Posts. or just look if it has a 6-speed allison (with the +/- tapshift buttons on the shifter). The 2004. 4K views 13 replies Duramax Second Generation: 2004. Doesnt do it at all when its kust the truck. 5 GMC SLT 4X4 CCLB LLY Ally, some mystery stuff, trans by Mike L, Magnaflow DP, 4" CAT back, Ride Rites, LBZ turbo inlet mod, AD II 165, po' man CAI, HIDs, stock height, Cognito tie rods, Kryptonite pitman & idler, Bilstein 5100s, Isspros, H2 wheels with Toyo OC 285-70-17s Replaced EDU Fuse w/P1093, U0106; Replaced Electronic Control Module (ECM) Replaced Fuel Filter; Replaced Fuses; Replaced Glow Plugs; 2004. 9K views 1 although now it has a p1093 code (low fuel rail pressure) and it falls on its face and wont go over 2000 rpms, im assuming limp mode. 65000 miles. but injector return is excessive at higher rail pressures, this can cause a P0093 or P1093. However, I haven't found a situation that matches mine. In addition, it can be due to a fault in the fuel injector, Injectors can cause low rail pressure problems if they are returning too much fuel. how to fix the p1093 code. 8M posts 220K members Since 2005 A forum community dedicated to Chevy and GMC Duramax diesel LBZ Enhanced Injector Return Flow Test- GM has come up with a test for use on the later Duramax engines. I’ve changed fuel filter, installed a 150gph lift pump. p1093 บล็อกเย็นน้ำมันเชื้อเพลิงอีกครั้ง - p1093 isuzu d max. And when it boggs the engine down is blows a little black smoke. Jump to Latest #PIP4526: Diesel Engine Fuel Line Repairs - keywords DTC hose kink loss P0087 P0093 P1093 pipe power reduced repair restrict restriction SES suction supply vacuum - (Nov 7, 2008) Subject: Diesel Engine Fuel Line Repairs 04. It solves the Truck keeps going into limp mode with no check engine light but when I scan the truck it has a p1093 (fuel rail pressure low during power enrichment). . 6L Duramax Diagnostics. 5-2005 (LLY) P0089 and P1093. It was a stepping 2005 LLY CC/LB DRW 3500 4x4 Allison EGR blocked, fingered, FPRV shimmed . 6" fabtech suspension lift. Turbo Inlet Manifold; Lift Pump; Exhaust System; EFI Live Tuning; Intake ; Transmission; Turbocharger; 1) Turbo Inlet Manifold. Diagnostic charts suggest, No P1093, air leak into fuel system, FPR (fuel pressure regulator - not FPRV pressure relief), or the FPR electrical circuit problems. My dad started my truck and it sounded different. 2L Diesel Engine Suspension lly p1093. Anybody had this problem? Probably a P1093 - insufficient fuel rail pressure. It eliminates potential low fuel rail pressure DTC codes P1093 or P0087 (low fuel rail pressure during power enrichment) that are caused by insufficient pressure relief valve spring pressure. 06" 2006 LBZ CC/SB 2500 4x4 Allison 1000 EGR delete/shaved up pipe, 3" Down 4" DP back, BD DRV exh mani, AD II 165, EFI, rock sliders, rear bumper and headache rack built by myself, FPRV shimmed . 5-05 LLY Duramax Powertrain New Build with P0089 and P0090. Duramax Second Generation: 2004. C. 6L LLY Duramax . Guys I have a 2005 LLY with approx. It has an EFI Live tune so I was able to hook up my laptop and see that the rail pressure almost never gets above 20,000 PSI and the 04. AD 150. Truck came in loosing power and setting P1093 code. Excessive restriction could also cause a DTC P1093 to set at the same time. yfzgoody Discussion starter. Some LLY engines have a reflash that addresses rough run, miss, and smoke or a P1093 to set. DURAMAX LOW POWER We had a 2004 Chevy Silverado 2500 in the shop, equipped with the 6. Mods: EFI Live AutoCal programmed by ATP Trucks, SDP EGR Delete Pipe, LB7 uppipe, Edge CTS Insight, Airaid intake, 4" cat back exhaust w/ 5" tip, AFE Turbo Mouthpeice, PCV Reroute, LED lights in cluster with new stepper motors, Profab downpipe, Duramax Second Generation: 2004. 5" Exhaust no noise stopper, EFI'd, LBZ piehole. Jump to Latest 16K views 5 replies I recently had this issue with my truck with the p1093 and p1094 codes, loss of power, etc. ztpgzz ctdnzk mfwwfkj cytxot xktbn pjk zunxv nrmqrsr ejagy bjqe
