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Step-2: Check the Transmission Fluid Level and Condition. Next, check the transmission fluid level and condition. If it looks burnt or has particles in it, you'll need to replace it. Make sure to also check for leaks while you're at it. If the fluid looks clean but low, you'll need to add more.Truck came in loosing power and setting P1093 c…. 2005 6.6L Duramax LLY. Truck came in loosing power and setting P1093 code. Fuel vacuum gauge showed 3 inches of vacuum at idle and 8-9 at WOT which are all with specs. We pulled the injectors and had them tested and they all showed excessive return rates. So that is where we started.A p0676 Duramax lmm may also occur when the ECU detects an issue with the sixth cylinder of your engine. The glow plug that has exceeded its range of mileage may malfunction, causing a problem with the cylinder. This might happen even before it completed its 100,000-mile lifespan.3 posts · Joined 2019. #1 · Oct 8, 2019. I have a 2001 GMC LB7 with a p1093 code that doesn't have an engine light, just comes up on my code reader. I am only getting about 11 kpsi of fuel rail pressure. But other than that the truck runs great and smooth. All the balance rates on the injectors are perfect.When it comes to coding platforms, Replit has emerged as a popular choice among developers. With its user-friendly interface and powerful features, Replit offers a unique coding ex...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, ...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.Mar 23, 2023 · Chevy / GMC Duramax 04.5-05 LLY Forum. 04.5-05 LLY Duramax Powertrain Another p1093 code. Jump ... It was a p1093 code while pulling my trailer . Save Share. Like.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, ...2002 Duramax code P1093 Thread starter Plumbed1; Start date May 18, 2015; Forums. Welcome to Duramax Diesels. Introductions . P. Plumbed1 New member. May 18, 2015 6 0 1. May 18, 2015 #1 Ok guys, I have been reading every post possible trying to determine what I need to do ...Bad CP3? Also get p0101, p0299, p401, and, p404. The p401, and p404 are EGR but I am running a fingerstick....I have a duramax 2008 silvarado 3500 hd, I get code Po193 fuel Rail Pressure Sensor Circuit High Voltage. DTC Severity 2 - Answered by a verified Chevy Mechanic. ... the engine will code P1093, sometime 3 or 4 times in 1 mile and it might go 200 miles before it will code. what does this mean ...Put 2 injectors in and has been running ok sometimes it would run great and sometimes it would run like shit. One night I stepped on it to get on a highway and it cut like when you hit a fuel shut off and the check engine light popped on with the code P1093 which is a lack of fuel upon heavy acceleration. When the lights on truck won't go over 2k.P1093 code. Jump to Latest Follow ... 2003 GMC Sierra 2500HD LB7 Duramax 4WD Crew Cab SB 310k miles. 8,260 lbs empty. Built motor, and still slow. 2003 Chevy Suburban 2500 LB7 Duramax AWD Quadrasteer 135k miles. 6-speed Allison conversion. Quadrasteer 4-wheel steering.LB7 Duramax: P1093/ P1094 Help pinpoint issue please! Be prepared for wall of text. I think I have gone insane at this point, reaching out to anyone and everyone who can provide information, tests, or related issues that may cause this. 2002 Silverado 2500hd. 265558 miles. EDGE cs2, usually run on setting 4. 4 inch exhaust.Chevy / GMC Duramax 01-04.5 LB7 Forums. 01-04.5 LB7 Duramax Powertrain. Lb7 p1093 troubleshooting. ... Might take a look at this:P1093 - Chevrolet Diagnostic Trouble Code (DTC) Definition, Causes and Diagnosis . Ron Nielson - Most of the information I provide relates directly to my 2008 LMM - Your truck may be a little (or a lot) different ...I'm pulling a P-1094 code and the it starts rough hot or cold... almost better cold actually. ... Duramaxdiesels.com was founded in 2006 and created a site which houses some of the best known Duramax tech you can find. We strive to keep this the #1 forum for tech and information while continuing the push for new and exciting tech on the ...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 p1094, I am on my way to either a new cp3 fuel pump and/or fuel pressure regulator.It ran me $202 (regular price $225) and that solved my p1293 and p1295 codes. As for the p0207 and p2146 codes, as expected, was the pigtail. I replaced it even though there were no bare spots on the wire. The ice pick fix would have worked for that one. Thanks for the input guys.Chevy / GMC Duramax 01-04.5 LB7 Forums. 01-04.5 LB7 Duramax Powertrain. code p1093. Jump to Latest Follow 2K views ...Step-3: Replace the failed fuel pump. When there is no trouble found in the fuel pressure regulator, the next step is to check the fuel pump output. An external fuel management computer usually controls the pump. This output can only be checked by using an advanced scan tool on these types of fuel systems.Chevy / GMC Duramax 04.5-05 LLY Forum. 04.5-05 LLY Duramax Powertrain. Intermittent P1093 Low Fuel Rail Code Every Day. Jump to Latest Follow 1 - 6 of 6 Posts. L. Los · ...P1093: Fuel pressure low during power enhancement. P0087: Fuel rail pressure low. (these are off an LB7 list, but I don't think they changed much for the LLY) So, what kind of tuner/programmer you using? This is an indication that you are probably using a big tune.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 ...Chevy / GMC Duramax 01-04.5 LB7 Forums. 01-04.5 LB7 Performance Parts Discussion. P1093Paul M ASE Master. Category: GM. Satisfied Customers: 8,997. Experience: ASE Master Tech 20+ Years. Verified. the fuel injectors are the most common cause of this code and black smoke out the pipe. the dealer waranty is 7 years 200,000 miles but it looks like you have gone beyond the 7. you should replace the fuel injectors.Chevy / GMC Duramax 01-04.5 LB7 Forums. 01-04.5 LB7 Duramax Powertrain. Lb7 p1093 troubleshooting. ... Might take a look at this:P1093 - Chevrolet Diagnostic Trouble Code (DTC) Definition, Causes and Diagnosis . Ron Nielson - Most of the information I provide relates directly to my 2008 LMM - Your truck may be a little (or a lot) different ...Kid wired in a switch to raise fuel pressure at idle, and sound cool:homer:. But a bad regulator can do this as well. Usually with a p0089 and a stock engine, you will hear a slight idle surge, if anything. If yours is a LB7, the terminal fix is to install an LLY harness. Pressure sensor location varies, depending on model.What does code P1093 mean? Engine will code P 1093 3 - Answered by a verified Chevy Mechanic. ... i put a banks six gun on my 01 duramax 6.6l now it has thrown a code what is the most common problem code associated with the bank and duramax and what would be the fix ...Step-3: Replace the failed fuel pump. When there is no trouble found in the fuel pressure regulator, the next step is to check the fuel pump output. An external fuel management computer usually controls the pump. This output can only be checked by using an advanced scan tool on these types of fuel systems.I have a 2004 LLY duramax ad am having many problems with the motor 1) i am constantly getting a P1093 code, i have changed the fuel press regulator valve, fuel rail relief valve, the code keeps comin … read moreDec 2, 2014 · I have a 04.5 lly install mass 150 lift pump.still get the p1093 pulling a load then install a new gm cp3 pump cause fprv was acting up still p1093. 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. will injectors cause this with the lly's. truck pulls hard like it has ...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 ...None of them transmission related. List of codes - P089 Fuel pressure regulator performance. P0102 - MAF circuit low voltage. P0118 - ECT high voltage. P0181 Fuel temp sensor performance. P1093 Fuel rail pressure low during enrichment. Cleared the codes, and the following codes came back. P0088 - fuel rail pressure too high.If there are any other codes such as Lean o2 sensors present along with the P0089, the P0089 code should be solved first before proceeding with other codes. ... 2003 Sierra 2500 p0089 p0380 p0404 p0802 p1093 u2106 Hello, Newbie here, trying to figure out the best way to post this issue on my '03 2500 Sierra Duramax/Allison. No specific codes ...--CC, SB 4X4 Duramax Diesel/ 6 spd Allison Auto (PTO high idle mod)--EFILive by KB3MMX Tuning W/ SDP Towing Twins (Billet S475 over Stock) ... I used a Snap-on scanner and found that the P1093 code is being set because the difference in "actual" and "desired" Fuel Rail Pressure is greater than 40 MPa. My numbers were: Actual = 111 MPa (16,099 ...Labor: 1.0. To diagnose the P0193 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.Chevy / GMC Duramax 01-04.5 LB7 Forums. 01-04.5 LB7 Duramax Powertrain Code p1094. Jump to ... 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.J. jonathanrayce Discussion starter. 26 posts · Joined 2008. #1 · Jan 5, 2012. We have a 2002 LB7 with p1093 and p1094. Has no power and smokes when pushing the throttle. We hooked a scan tool to it and all injectors showed between -2 to +2. No diesel in oil. Commanded 160 MPA and actual stayed around 47MPA and FPR commanded % …and GMC TopKick vehicles, equipped with a 6.6L Duramax Diesel (RPO LB7 - VIN Code 1) engine, and built within the following start of production to end of production VIN breakpoints: ... DTCs P0087, P0093, P1093, Low Power, No Start, Hard Start, Fuel in Crankcase (Replace All Injectors - New Strategy for High Fuel Return Rates) - (Oct 16, 2006)Duramax DTC code list. ... 2001 Chevy SB/CC Duramax LB7 Garrett GT4088R from PPE, PPE Duel fuelers, PPE Tuning, PPE stage 4 transmission w/suncoast 1056 converter, PPE Lift pump, Fabtech tie rods, Black Eagle alloys. ... Hey I got a code from my GM 2004 duramax diesel 6.6 turbo P1093 and P1094. not on your list . You never received one? I have ...CHEVY SILVERADO 2500HD DURAMAX DIESEL I HAVE START BUT ENGINE NOT RUN,I HAVE 2 CODES P1093,U1024 - Chevrolet 2003 Silverado 2500HD question. Search Fixya. Browse Categories Answer Questions ... Trouble code p1093 2003 duramax. P1093: Fuel pressure low during power enhancementA p0676 Duramax lmm may also occur when the ECU detects an issue with the sixth cylinder of your engine. The glow plug that has exceeded its range of mileage may malfunction, causing a problem with the cylinder. This might happen even before it completed its 100,000-mile lifespan.The P20EE means SRC NOx Catalyst Efficiency Below Threshold. Here the SRC denotes selective catalytic reduction catalyst on a Duramax diesel engine. And NOx stands for nitrogen oxides. So when PCM detects catalyst efficiency is below the threshold on bank 1, the p20ee code Duramax 2021 appears. The diesel exhaust fluid is input into the SCR ...May 19, 2015 · The P1093 is low rail pressure during power enrichment. Could be restricted fuel lines-[check at the driver's side of the Allsion.] Also possible FPRV is weak [common on a LLY engine] That can be checked with "Bottle Test"--- Here is some info on the "Bottle Test".Answer The PPE 113072800 Race Fuel Valve helps eliminate 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. The P0093 code is set when the ECM senses a sudden large drop in fuel pressure within the system. This drop in fuel pressure can be internal, external or caused ...All 8 injectors were replaced at 130k miles in Sept. of 2005. I threw the truck on the analyzer today and the codes above came up. P0101 - Mass Air Flow Circuit Out of Range P0236 - Boost Sensor Out of Range P1093 - Loss of Communication (This is because I disconnected my Edge Juice yesterday.....900 miles ago, coming back from Bristol!!!)Now that you have completed the published diagnostics for an engine hard start, no start, stall or DTC P0093, P1093 with no trouble found, check for a kink in the (foam covered) injection pump inlet hose. The kink can cause a restriction of fuel flow and result in the concern of hard start, no start, stall or DTC P0093, P1093.P1093 code on my 2005 6.6L duramax diesel is going off. Loses. P1093 code on my 2005 6.6L duramax diesel is going off. Loses power under load and check engine light shuts off after the truck sits for a while. ...Save on your password security with Keeper Security promo codes. Get the latest on Keeper Security promo codes, coupons, and May sale on PCWorld. PCWorld’s coupon section is create...To diagnose the P1093 GMC code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.8909 posts · Joined 2011. #7 · Feb 28, 2021. P1098. The Engine and Transmission System is not performing as expected. An issue has been detected in the Engine Cooling System which monitors and controls engine temperature to maintain optimal operating temperatures and avoid overheating conditions.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.Chevy / GMC Duramax 04.5-05 LLY Forum. ... P1093 - high rail pressure? 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. Duramaxxer28 · Registered. Joined Jun 23, 2011 · 183 Posts ...4500 code p1093. Jump to Latest Follow 5K views 10 replies 7 participants last post by J-M Aug 23, 2005. J. J-M Discussion starter 113 posts · Joined 2005 Add to quote; Only show this user #1 · Aug 1, 2005. I just started popping code p1093. I am only running Edge EZ on level 1 while towing. ... 2002 chevrolet 2500HD 4x4 Duramax....