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First, some codes such as P1093 will reset to historical on the key cycle you use to shut down, ... '05 Chev, 2500HD, CC, SB, Duramax, Allison, 4WD, bought new April '05-times up - off warranty, now 120,000 miles, LBZ mouthpeice, Blocker Plate & Unplugged EGR, Air Box cut out, lost the cat, ...Any help would be great. I am having trouble with code P1093 Low rail pressure during power enrichment. All 8 injectors have been replaced. I am getting... in this thread in this sub-forum in the entire site. Advanced Search ... Chevy / GMC Duramax 01-04.5 LB7 Forums. 01-04.5 LB7 Duramax Powertrain Confused P1093. 1878 Views 10 Replies 5 ...Should I Get a Computer Science Degree or Go to a Coding Bootcamp?... The best online coding bootcamps at colleges was created using Updated May 23, 2023 • 5 min read The technolog...p1093 code set only . Save Share. Like. E. earndale Discussion starter 12 posts ... Chevy and GMC Duramax Diesel Forum. 3.8M posts 207.5K members Since 2005 A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more!LLY DURAMAX fuel pressure regulator valve. code p1093! K A H M'S performanceChevy / GMC Duramax 01-04.5 LB7 Forums. 01-04.5 LB7 Duramax Powertrain. LB7 Hot start issues, P1093. 1383 Views 0 Replies 1 Participant Last post by deerefanatic, Jan 3, 2013. D. deerefanatic Discussion starter · Jan 3, 2013 (Edited) Add to quote; Share Only show this user. OK. So I have a customer that just bought an LB7 from down south a ...Have 2003 chevy 2500 with duramax.set codes p1093 and p1094.changed fuel filter performed injector balance test with no - Answered by a verified Chevy MechanicChevy / GMC Duramax 01-04.5 LB7 Forums. 01-04.5 LB7 Duramax Powertrain. LB7 Hot start issues, P1093. 1383 Views 0 Replies 1 Participant Last post by deerefanatic, Jan 3, 2013. D. deerefanatic Discussion starter · Jan 3, 2013 (Edited) Add to quote; Share Only show this user. OK. So I have a customer that just bought an LB7 from down south a ...Duramax First Generation: 2001-2004 (LB7) P1093 Trouble code. Jump to Latest Follow 30K ... I bypassed the secondary fuel filter two weeks prior and while driving this past weekend the P1093 code returned. It happened while climbing a hill at WOT.#1 · Dec 22, 2020. Hi guys, I’ve been dealing with an underpowered truck for a while now. Finally got an edge insight to see if I can figure out what the deal is. (Out towed by a 6.0 …Duramax Second Generation: 2004.5-2005 (LLY) Predator pulling code p1093 all the time?? 1378 Views 10 Replies 7 Participants Last post by jnieberlein, Sep 19, 2005 Jump to Latest M. MFD573 Discussion starter · Sep 17, 2005. Add to quote; Share Only show this user ...32 posts · Joined 2013. #1 · Nov 5, 2020. Hi. I keep getting P100b code on my tuned l5p, have to clear it with edge cts3 every start up. Any idea on what it is and how to fix it? Thanks. 2018 GMC Denali 3500HD Dually. 750+ built trans, s472sxe turbo, Exergy 100 over injectors, Exergy 12mm cp3, fass lift pump.Throw that p101 code. Switched maf sensors, filters with second truck, code would follow filter. 2010 Gmc 2500 Duramax 853,500 Odometer miles - sold Nov 2018. 2013 LT CCSB SRW bought with 508,000 miles, now over 703,000 miles. 2013 CrewCab and chassis with 9' Hillsboro aluminum flatbed 84,000 miles.On some diesel engines, the PCM will operate the glow plugs for a period of time after the engine is running to reduce white smoke and engine noises. Basically, the P0380 code means that the PCM has detected a fault in the glow plug/heater circuit "A". Note: This DTC is very similar to P0382 which that code refers to circuit "B".Having a secure door code for your home is essential for keeping your family and belongings safe. With so many options available, it can be difficult to decide which code is best f...P1050 code def level sensor 19. Can't find any for sure info anywhere on 2019 duramax Def level sensor. Is it built into the pump? Or is it a separate assemble, when I look up the part numbers it just shows the pump and the module, but there's something else plugged into the center of the def tank. I can't see the part number on whatever is in ...Mar 31, 2008 · Mar 30, 2008. #1. DTC P1093 Fuel Rail Pressure Low During Power Enrichment. Last week after I loaded up my 5th wheel I changed tunes from a mileage tune to my stocker tune. Made it out of the drriveway and engine lost all power and I couldnt go faster than about 23 mph. Changed tunes to 1 Simon send ahile back (I have used before) and towed ...Are you interested in learning coding but don’t know where to start? Look no further than Tynker – an innovative platform that makes coding accessible and fun for beginners. To beg...Duramax Second Generation: 2004.5-2005 (LLY ... The only mods are banks Six gun with speedloader air intake and exhaust. the truck keeps throwing the p1093 code. it will do it if ur driving like a grandpa or when u beat the crap out of it. it is doing it all the time. we shimmed the FPRV and changed the fuel filter. that ...Chevy / GMC Duramax 04.5-05 LLY Forum. 04.5-05 LLY Duramax Powertrain. Help!!! limp mode with codes p1093, p0700, u0105. Jump to Latest Follow 21 - 27 of 27 Posts. 1 ...Ron Nielson. 10795 posts · Joined 2009. #2 · Mar 29, 2021. Home Chevrolet P0093 Chevrolet DTC P0093. Make: Chevrolet Code: P0093 Definition: N/A Description: DTC P0192, P0193, or P1635 are not set. The ignition is ON. Cause: Excessive fuel return to the tank. Fuel injection pump failure.When the ECM fails to compensate the fuel due to above or below limits of air or fuel entering the engine (e.g., leaking intake hose, clogged air filter, leaking fuel injector, faulty fuel pump), the ECM will set a Rich or Lean Trim code. P1093 BMW Code - Pre-Catalyst Fuel Trim Too Rich Bank 2.P1093 is a trouble code set in the electric control unit of the vehicle module. It indicates that the fuel rail pressure is too low.P1093 Large Leak; difference between commanded fuel pressure and actual pressure is greater than 20 Mpa. Large leak means there is a leak in the high pressure system. Large leaks go into the return system and flow back to the tank, these are not external leaks.intermittent loss of power p1093 & p1094.. i wonder if you guys have seen this before, my 02 duramax with 200k miles drives and start pretty good when is cold, but after 20 minutes drive it starts losing power, like yesterday when i was driving on the highway for about 20 miles and then tried to pass a car and won't respond (can't go over …The codes you're getting-. P0087 is Fuel Rail Pressure Too Low. P1093 is Fuel Rail Pressure Out of Spec. So if you're getting low rail pressure and the lift pump is working correctly and the supply side is not restricted, most likely either the cp3 is failing or the injectors are returning too much fuel. Name: Matt.2005 6.6 Duramax 2500HD, 180000Km, Edge Juice with Attitude, Eaton true-Track rear diferential, Everything else stock. ... EFI Live, etc). Has to be a code for the engine to limp, unless the Edge screwed up. Not all P1093 codes will set the CEL. It maybe in the history, and genric readers don't always see the history codes. If it was trany ...Chevy / GMC Duramax 04.5-05 LLY Forum. ... P1093 Code and Limping. Jump to Latest Follow Hey Everyone! Enter your ride HERE to be a part of this months Ride of the Month Challenge! 1 - 1 of 1 Posts. yfzgoody · Registered. Joined Jan 28, 2011 · 657 Posts. Discussion Starter ...Clear the codes, shut off the engine, remove the DLC, and see if the engine sets code at startup. Only takes a couple of minutes and if there is a change better or worse, it may be a clue to the real problem. See this: P1093 - Chevrolet Diagnostic Trouble Code (DTC) Definition, Causes and Diagnosis.2005 chevy 2500 duramax cranks but wont start,checked fuel filter by opening bleeder on top as soon as i pushed prime ball,fuel squited out.truck dont even try to start. Codes p0700,p1093 … read moreThe exact MPG any engine gets depends on the vehicle it’s used in, but the 6.6-liter Duramax diesel engine gets an EPA-estimated 15 MPGs in city driving and 20 MPGs on highway driv...DTCs P1093, P0087, P1087, P0088 and/or P1088 Set (Diagnose and Replace Suction Control Valve (SCV) / Fuel Rail Pressure (FRP) Regulator, if necessary) • 2005-2010MY Chevrolet/GMC W -Series • 2005-2010MY Isuzu N-Series Equipped with 5.2L 4HK1-TC Diesel EngineChevy / GMC Duramax 01-04.5 LB7 Forums. 01-04.5 LB7 Duramax Powertrain p1093 and p1094 ... I had it scanned and the codes I got back were... p1093 p1094 p0621 I am not concerned with p0621, as the batteries were replaced and charge just fine. However, after all of the searching I have done, it appears if I have p1093 and …6.5L Diesel Engine Duramax First Generation: 2001-2004 (LB7) Duramax Second Generation: 2004.5-2005 (LLY) 6.2L Diesel Engine Suspension & Steering - 2001 - 2010 Top Contributors this Month View AllP1093, U1000 Codes & description of problem. First start of the day, every day, starts quick, easily and without a hitch. Every other start during the day seems to take forever sometimes not starting at all. Once started the truck runs perfectly no hesitation, studder, anything. New fuel filter & batteries checked good under a load test.Oct 29, 2014. #1. 05 lly all stock except straight pipe exhaust. Truck will randomly pop a p1093 for rail pressure and a p0101 for mass air flow sensor. I logged the truck with efi and could see rail pressure jump below what was desired intermittently. I also checked air inlet tubing and found a lose clamp. I Installed a ppe race valve fixed ...Have 2003 chevy 2500 with duramax.set codes p1093 and p1094.changed fuel filter performed injector balance test with no - Answered by a verified Chevy MechanicJan 6, 2014. #1. My truck keeps throwing a p1093 code. I had to replace my head gaskets. Put in ARP studs, new gaskets, changed the intake to an Lbz, added a shim to the fuel rail. Ever since it has been popping the code. P1093. I replaced the the injector pump, the regulator, the lines. I am still getting the code.2005 6.6 Duramax 2500HD, 180000Km, Edge Juice with Attitude, Eaton true-Track rear diferential, Everything else stock. ... EFI Live, etc). Has to be a code for the engine to limp, unless the Edge screwed up. Not all P1093 codes will set the CEL. It maybe in the history, and genric readers don't always see the history codes. If it was trany ...The following are the most common ways to fix and reset the P0193 code: Add fuel to the fuel tank. Repair broken or shorted wires. Repair corrosion of the wiring and/or connectors. Replace clogged fuel filter. Replace fuel pump relay. Replace fuel pump fuse. Replace fuel pump. Replace fuel rail pressure sensor.5 Posts. #31 · Feb 6, 2011. P1093 & 0087. (P1093) The ECM uses a rail pressure (FRP) sensor to determine pressure to the injectors. Then it's compared to the calculated target that's determined by the ECM. The ECM adjusts FRP by modulating the duty cycle of the control driver of the FPR (Fuel Pressure Regulator).Chevy / GMC Duramax 04.5-05 LLY Forum. 04.5-05 LLY Duramax Powertrain. P1093 code. Jump to Latest Follow 3K ... It has been throwing the p1093 code a lot lately, I've done the obvious that I have found on here.throwin a p1093 codef. ... 04 Silverado Duramax 07 Silverado Duramax 03 Sierra LQ4 Denali 01 Silverado Duramax 09 Silverado SCRB 2500HD LY6 98 Suburban 2004 CCSB Duramax. Save Share. ... It's a low fuel rail pressure code. You could have a very plugged filter, collapsing fuel lines.THey cleared the code and now it came back. Can someone point me to the part that I need to replace to fix this problem please. I have searched and it gives me lots of different types of injectors from DEF to fuel. Thanks in advance. Mark 2011 Chevy Duramax 2500HD . 2011 2500 Duramax 4x4 Air Lift Suspension Bags, 150db air horns with 2.5 gal ...Aug 22, 2019 · P0087; fuel rail pressure is less than 22.5 MPa at more than 600 RPM, fuel rail pressure too low. 1) Excessive restriction, fuel supply, plugged filter or sucking air. Install special tool J44638 to check vacuum restriction on fuel supply to the high pressure pump. Maximum restriction at WOT (wide open throttle) is 5 inches HG in park. 2049 Answers. Posted on Apr 13, 2010. SOURCE: trouble cP1093 Code - Please Help Thread starter bmschoen; StarJul 15, 2018 · Hey guys, new hear and been re
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Chevy / GMC Duramax 01-04.5 LB7 Forums. 01-04.5 LB7 Duramax Powertrain. p1093 and p0087. Jump to Latest Follow Hey Everyone! Enter your ride HERE to be a part of this months Ride of the Month Challenge! 1 - 3 of 3 Posts. N. nickw059 · Registered. Joined Apr 28, 2013 · 85 Posts ...This video details the common issues you may run in to with an LB7 Duramax. The LB7 Duramax was the first generation Duramax that spans from 2001 to early 20...Chevy / GMC Duramax 04.5-05 LLY Forum. 04.5-05 LLY Duramax Powertrain Check engine - p0192, p1093, p1094 ... p1093 p1094 any help would be great! 2015 All Terrain LML....totally stock 05 lly.....slightly modded ... Only show this user #2 · May 28, 2013. All low fuel rail pressure codes. 05 2500HD LLY- Efi live-mouthpiece-4in Dynomax -Cold air ...Chevy / GMC Duramax 01-04.5 LB7 Forums. 01-04.5 LB7 Duramax Powertrain Cel p1093. 1094 Views 4 ... 03 GMC Hypertech set at 90hp or 70hp throws code P1093 ...hot starting & loss of power p1093 code Jump to Latest Follow 18K views 10 replies 9 participants last post by jc1843 Nov 3, 2012p1096 code. ok im going to try and keep this short as possibe. i own a towing company and i have an 05 chevy 5500 with 6.6 duramax same as 3500 from what im told. the truck was running fine but we had to put it down because of blown head gasket. It was loosing water but no miss or anything. Anyway after replacing head gasket and getting ...Learn about the P0325 trouble code, its causes like faulty knock sensors or wiring issues, and how to fix it with AutoZone. Read More . OBD 2 Code List. Get insights into your vehicle's health by understanding OBD 2 codes. Explore our list of common codes, their meanings, and expert tips for diagnosis and repair.Chevy / GMC Duramax 01-04.5 LB7 Forums. 01-04.5 LB7 Duramax Powertrain. froze up? wont rev over 2100 p1093 code. Jump to Latest Follow 705 views 1 ...LB7 MAF code P0101 need some help.. So I'm at my wits end, I have been working on this same code for two weeks now its: P0101 Mass airflow performance. I tried cleaning the sensor with maf cleaner, replaced the air filter, made sure all the clamps were tight then went and drove some miles to check for codes.Aug 26, 2020 · Chevy / GMC Duramax 01-04.5 LB7 Forums. ... P1093 and p1094 codes . Ron Nielson - Most of the information I provide relates directly to my 2008 LMM - Your truck may ...Apr 26, 2011 · Condition/Concern: A dealer may need to perform a repair on the rubber portion of the fuel supply (suction) lines. The rubber section of the line could become kinked or collapse. Fuel lines that kink or collapse may induce a fuel system restriction (high vacuum gauge readings) or DTCs P0087, P0093, and/or P1093 to set.Duramax Second Generation: 2004.5-2005 (LLY) P1093 victim...please help!! ... The code was thrown stock with 1000 miles on fuel filter this time driving 70-75mph. I cleared the code and it came back at 60 mph immediately. ... Scanned with the Predator on the fly and P1093 code. Erased and went on. This is the second time I did this on the trip ...Have a 2005 Duramax. Losing fuel pressure on enrichment. Have replaced fuel injectors, injection pump, fuel lines, fuel filter, added shim kit to return valve. Still has p1093 trouble code. Any Ideas?Code p1093. Jump to Latest ... Good afternoon I have A 2005 Chevy 3500 6.6 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 ...Popping code not even hauling. Traveled 8 hrs clearing on scanner every time it came up. 2001 lb7 I already had FASS lift pump installed in the hopes that would solve problem. ... excessive leakage from the injectors can also cause a DTC P0087, P0093 or a P1093 to set. When using the scan tool to increase rail pressure at idle, if you can't ...I have a 2002 chevy silveradoHD with 6.6 duramax diesel engine and it is giving me a P1093 trouble code, What does it - Answered by a verified Chevy MechanicAre you interested in learning programming but don’t know where to start? With the rise of technology and digital innovation, coding has become an essential skill in today’s job ma...Chevy / GMC Duramax 04.5-05 LLY Forum. 04.5-05 LLY Duramax Powertrain Another p1093 code. Jump to Latest Follow ... It was a p1093 code while pulling my trailer . Save Share. Like. This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.Duramax Second Generation: 2004.5-2005 (LLY ... The only mods are banks Six gun with speedloader air intake and exhaust. the truck keeps throwing the p1093 code. it will do it if ur driving like a grandpa or when u beat the crap out of it. it is doing it all the time. we shimmed the FPRV and changed the fuel filter. that ...Duramax Second Generation: 2004.5-2005 (LLY ... The only mods are banks Six gun with speedloader air intake and exhaust. the truck keeps throwing the p1093 code. it will do it if ur driving like a grandpa or when u beat the crap out of it. it is doing it all the time. we shimmed the FPRV and changed the fuel filter. that ...Tow the boat, stop for 15-20 minutes, start the engine and get the CEL and reduced power message. The P0101 code has been set in just about every instance (probably 6 of 8 or 9) I believe the period of sitting immediately after towing is a key trigger for this failure.Jan 20, 2023 · Diagnosing and fixing a common rail fuel problem on a 2005 Duramax.Mar 7, 2022 · What does p1093 Duramax mean? It means that the fuel rail pressure is very low. This error code is set when maximum fuel pressure is required, but the fuel system is not able to obtain it. This problem can happen for the dirty fuel filter, defective fuel injectors, faulty CP3 pumps, and more.Chevy / GMC Duramax 04.5-05 LLY Forum. 04.5-05 LLY Duramax Powertrain Check engine - p0192, p1093, p1094 ... p1093 p1094 any help would be great! 2015 All Terrain LML....totally stock 05 lly.....slightly modded ... Only show this user #2 · May 28, 2013. All low fuel rail pressure codes. 05 2500HD LLY- Efi live-mouthpiece-4in Dynomax -Cold air ...So my truck felt like it had half the power it should so i sent it in to dworkin chevrolet and they said i had a code p1093..they tested my fuel psi with the tech 2 and …Apr 27, 2014 · Jan 6, 2014. #1. My truck keeps throwing a p1093 code. I had to replace my head gaskets. Put in ARP studs, new gaskets, changed the intake to an Lbz, added a shim to the fuel rail. Ever since it has been popping the code. P1093. I replaced the the injector pump, the regulator, the lines. I am still getting the code.11 posts · Joined 2011. #1 · Jun 28, 2011. SWhat is the P1093 Duramax error code? P1093 is a tr
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02 CHEVY SILVERADO DURAMAX DTC P1093 LACK OF POWER UNDER LOAD DIAG AND REPAIR PART 1 PAIN FULLBtw, the p0540 code dissappeared with a new ecm from dmaxtuner.com but of course there are 0 volts at the heater. 2002 LB7 CC/SB 2500HD 4x4. ... A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more!P1093 Code - Please Help Thread starter bmschoen; Start date Sep 23, 2015; Forums. Duramax 6.6 Technical. Duramax Tuning, Logging, and Gauges ... long time time reader first time poster. I've got an 03 duramax 4x4 crew cab with 315K on it. The truck is all stock with the exception of a standard PPE tuner on tune 2 along with an edge CTS monitor ...Aug 26, 2020 · Chevy / GMC Duramax 01-04.5 LB7 Forums. ... P1093 and p1094 codes . Ron Nielson - Most of the information I provide relates directly to my 2008 LMM - Your truck may ...P1094, do you have any other codes? Diagnostic charts suggest, No P1093, air leak into fuel system, FPR (fuel pressure regulator - not FPRV pressure relief), or the FPR electrical circuit problems. ... '16 Chev 2500HD LTZ Z71, CC, Duramax, Allsion, 4wd, new Sept 2016, ...Chevy / GMC Duramax 04.5-05 LLY Forum. 04.5-05 LLY Duramax Powertrain New Build with P0089 and P0090. Jump to Latest ... P0090 and P1093 codes. I cleared them, jiggled the fuel pressure regulator wires, and everything seemed fine. 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 ...the p1093 is the low fuel pressure code, change the fuel filter and maybe, FPRV shim? the po700 is trans malfuction not sure about the other one there is a code list on this forum do search. good luck my 05 is throwing the same codes, changed the fuel filter and no more 1093, going to try a trans service for the othersHey guys so I'm new to diesels, I just got a 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 still have the same problem it will start and then shut off and I have to prime it ...2007 Isuzu npr 5.2 diesel no power codes p1093 and U010C clear codes power comes back runs good until check light - Isuzu Cars & Trucks question. Search Fixya. Browse Categories ... Trouble code p1093 2003 duramax. P1093: Fuel pressure low during power enhancement Check the oil and see if it smells like diesel. Sounds like an injector stuck open.#1 · Dec 22, 2020. Hi guys, I’ve been dealing with an underpowered truck for a while now. Finally got an edge insight to see if I can figure out what the deal is. (Out towed by a 6.0 …These codes come right back after I reset them with a snap-on computer the codes are P1621 PCM EEPROM MEMORY PERFORMANCE, P1094 FUEL RAIL LOW WHEEL IDLE OR FUEL CUT, P1093 FUEL PRESSURE LOW WHILE POWER ENRICH, P0234 TURBO CHARGED ENGINE OVER BOOST CONDITION. How can these codes be fixed or what...2004 Chevy C5500 with LLY engine. It is throwing a P1093 code. In park it kicks up the idle to about 1200 RPMs. It then goes back down to normal idle when I step on the brake. When I release the brake it jumps back up. It also limits the trucks RPMs to about 2200 RPMs, so I can't really drive it anywhere.I changed the fuel filter.P1093 code 2002 gmc duramax. Also including Oldsmobile, Geo, Hummer, and Saturn (North American brands) 1 post • Page 1 of 1. Pat2002 Posts: 1 Joined: Wed Jun 01, 2016 1:08 am Vehicle: 2002 gmc 2500 HD 6.6 duramax. P1093 code 2002 gmc duramax. Post by Pat2002 » Wed Jun 01, 2016 1:20 am.Jan 6, 2014. #1. My truck keeps throwing a p1093 code. I had to replace my head gaskets. Put in ARP studs, new gaskets, changed the intake to an Lbz, added a shim to the fuel rail. Ever since it has been popping the code. P1093. I replaced the the injector pump, the regulator, the lines. I am still getting the code.05 2500HD LLY 170,000 miles. keeps setting P1093 and going into limp in mode. it has no trouble starting, no excessive smoke , and until the code sets runs great. my understanding is that P1093 is low rail fuel pressure under enrichment, but it seems to set when i lift throttle ,and at low fuel demand. i have replace FPRV (with race plug), fuel ...im getting code P1093 engine wont run over 2000 RPM need help FAST--05 Chevy Duramax 2500 -- --03 Black Cobra -- 630 RWHP street car. Reply. Save.Pull over and pull the codes, P0700, P1093, and P1781. Reset, shut the truck off, start up and go on our way. No other issues on the trip. Fuel filter was replaced about 100 miles ago with the last oil change, and trans filter change. Trans was recently rebuilt in the last 15,000 miles, added additional friction plates in packs was the only ...On this DTC, P1621,I had this code, & also had P1283 which has to do with throttle signal voltage ( I have a module there that is not stock), I also have unknown DTC's P1093 & P1094.Jun 5, 2017 · Brianlibby791. 110 posts · Joined 2017. #3 · Sep 26, 2017. I recently had this issue with my truck with the p1093 and p1094 codes, loss of power, etc. 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.18259 posts · Joined 2008. #2 · Dec 28, 2014 (Edited) You may have a loose connection on an injector-I doubt it is #6- [Third one back on driver's side] When an injector looses contact, it will shut down all injectors in that group-#1, #4, #6, #7- Code P2146, and run on 4 cylinders. I think you should have the other codes for that group.vacacut said: Hey guys, I have a problem with the p 0087 low fuel rail pressure code. I have an 07 classic 3500 dually duramax that I have had since new. I use it to transport cars and pull a 3 car wedge. At 60,000 miles, I was out in new mexico with a load pulling a long grade, hot as hell out, and the check engine light came on and it went ...Chevy / GMC Duramax 01-04.5 LB7 Forums. 01-04.5 LB7 Duramax Powertrain. Three Fault Codes P0380, P1093, ND026. 2090 Views 7 Replies 5 Participants Last post by jc1843, Aug 5, 2015 Jump to Latest F. Fushux Discussion starter · Jul 26, 2015. Add to quote; Share Only show this user ...2002 Duramax code P1093 Thread starter Plumbed1; Start date May 18, 2015; Forums. Welcome to Duramax Diesels. Introductions ... For the record, I just purchased a 2002 Chevy Silverado 3500 with the LB7 Duramax. It has 153,00 miles on it and the first set of injectors were replaced, by Chevy, at 84,000. I paid $9500 for the truck as it is a ...Duramax Second Generation: 2004.5-2005 (LLY) Have P1093 Code throwing on my truck? Jump to Latest Follow 921 views 3 ...Sep 7, 2012 · so i started throwing a p1093 code yesterday when i was on the road. i couldnt go more that forty five for a little while and everytime i would give it gas my rpms would dive. ive looked up common remedies for this and so far ive gotten shim it or put a race valve in, change the fuel filter, or get a lift pump. im just posting to see if you guys have any ideas or advice on resolving this issue ...Those codes mean that the rail pressure is dropping below what is desired. P0094 or P1094 show a slight difference but enough to throw a code. P0093 or P1093 mean there is a large difference between the desired and actual rail pressures. P0087 is just another symptom of the other codes.10832 posts · Joined 2009. #4 · Jun 1, 2018. DTC P1089. Fuel Rail Pressure Performance During Deceleration Fuel Cut Off. The Engine Control Module (ECM) monitors for changes in fuel rail pressure when the vehicle is in a deceleration condition and the fuel injected quantity is at zero.Chevy / GMC Duramax 01-04.5 LB7 Forums. 01-04.5 LB7 Duramax Powertrain Code p1094. Jump to Latest Follow ... P1093 and p1094 codes . Ron Nielson - Most of the information I provide relates directly to my 2008 LMM - Your truck may be a little (or a lot) different 2008 Silverado LT, Crew Cab, 2WD,LB.. Save Share. Paul M ASE Master. Category: GM. Satisfied Custo