2018 lmm duramax fuel gauge problems. The truck is going into low power mode (Limp mode).
2018 lmm duramax fuel gauge problems Oct 13, 2012 · 08 Silverado LTZ 2500HD CCLB 4X4, 4" DP back Diamond Eye Exhaust with stock muffler, AD 150 lift pump, EFI Live V2 w/ Idaho Rob DSP5 tunes, 60 Gal. If you do not have an type of aux fuel tank, my guess is that there is some issue with the tank sending unit. Start and idle the engine. The metal contacts appeared much cleaner and brighter than before. May 25, 2011 · 2008 2500HD LTZ, EFI Live- Idaho Rob's Tunes, 4" Magnaflow Turbo Back, Raptor 150 Lift Pump, Transgo Jr, All Season Diesel EGR delete with high flow Y-bridge, Edge Insight for gauges, Feb 19, 2022 · Some 2015-2018 Silverado and Sierra models and 2019 Silverado 2500/3500 and Sierra 2500/3500 models equipped with the 6. We examine common problems associated with the 6. Turn off the gravity feed till you get to 1/2 tank or when you take a pit stop, then let it refill. 00 PPE (Pacific Performance Eng. Jan 2, 2018 · An update on this would be phenomenal. After reassembly, the fuel gauge is working again! I don't know for how long but at lest until the correct part comes I have a fuel gauge again:grin2: Feb 8, 2024 · Dealer is clueless. My second 2008 LMM Silverado was also very reliable and the only issue was the bed rusting out around the wheel wells. The premiere of the Duramax LMM engine coincided with new requirements for emission control parts. EFI Live by Idaho Rob, 695K+ 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/ CAT 751, LLY FF Housing, Running on LMM Apr 20, 2019 · Running shell t6 5-40 synthetic. I drove for another 85 miles before the Edge indicated 2%. I’m going to discuss the important reliability changes that were made to the L5P and then jump into each of the common problems in detail. I'm at the CP3 replacement stage (330kmi) since hot or cold, the desired fuel pressure is almost 10kpsi more than actual. Because I did a water inspection, I was not worried about water in the fuel. Nov 13, 2018 · For 2006-2008 Vehicles - Diagnose Possible Slow Fuel Rail Pressure Decay First Important DO NOT replace the ECM, the fuel rail pressure regulator, or the fuel rail pressure sensor for this condition. I'm also going to add a fuel cooler since I am convinced that high temperature fuel exacerbates the problem and robs power anyway. Other than that I had one glow plug go bad. I noticed the issue before the problem actually caused issues. I own a 2017 Highcountry 2500 crew cab short bed Duramax with 14,000 miles. Conditions for Running the DTC The ignition is ON. May 5, 2016 · The rubber section of the line could become kinked or collapse. So I immediately popped the hood and primed the filter which got hard with two or so pumps and cracked the bleeder screw. All stock no mods. I get a check engine light on the dash and then two messages reading vehicle power is reduced and a don’t stop driving like it’s going into regen the def gauge reads 3/4 full the truck has never had less than 1/2 a tank of def since Iv owned it. May 6, 2022 · Then cleared up and didn't act up anymore. Fuel line problem with my 2010 LMM. What you can try to solve problems with your fuel gauge reading incorrect levels. N Fab running boards, Duraflaps, Rhino lined bed Traded:05 lly ccsb 205k miles, built trans and supporting mods Traded:09 LMM CCLB Bone stock, fully loaded. 0 3500 WT DRW ExCab Flatbed, 2005-LLY 3500 LS DRW Crew Cab, 2002-LB7 3500 LS DRW Crew Cab Jun 22, 2023 · LMM is a fuel suction system, that is that there is no lift pump to supply fuel to the engine compartment fuel filter or CP3. And letting it refill, and go up while your moving, may trigger the same problem. 5 LMM, 150,000 mi. Gauge goes to E. 1. Fuel Injector Failure. Swapped injectors 1 and 3, problem stayed at CYL 1. Overtime, both of these parts are prone to normal wear and tear which can reduce fuel rail pressure. Aug 12, 2024 · Results where the pressure at idle is 20psi. May 31, 2022 · My fuel gauge on my 2022 GMC Sierra 3500 is not working. When it comes to model variants, the Duramax engine showcases several iterations: LLY: Introduced as the successor to the LB7, this variant brought enhancements in engine cooling and performance. The only problem I'm having with it is the fuel gauge is not working. Overall I really like the truck. I can command 26K psi with a Tech2, and it will only get to 22K. I have yet to put a mechanical gauge on it, it does read low like a hot idle is 15 psi. Jun 16, 2013 · second owner, 2008 lmm with 96,000miles. Imagine it: "Fuel level OK" "10 miles to Apr 21, 2018 · 2015 GMC Sierra Denali 2500HD 4x4 / AVS Vent Visors / Banks (Boost Tube Kit, iDash Super Gauge, Monster Exhaust, Pedal Monster, Ram-Air CAI, Rear Diff. Cheap and easy. Feb 2, 2016 · 🇺🇲🚛 2008 LMM 3500WT DRW Crew Cab, 8 'Flat/GN, Workforce Alum Toolbox, Ride-Rite Air Use-ta Haves-->> 2006-6. Hello, I am currently trying to troubleshoot a 2010 Chevrolet Silverado 3500 HD Diesel 6. Studs, M. gave the truck about half trottle and cranked it, then it started. The ECM does. 6 Duramax Nov 28, 2017 · My gauge two days ago did the same. I stick to Amazon seller parts only, not other sellers on Amazon. When I ohm test the wires from the sending units at the PCM, both correctly read around 40 ohms when empty and around 200 ohms when full. Service Bulletin No. The sending units (dual tanks) are new. Nov 8, 2024 · fuel sensor uses an algorithm to calculate fuel quantity. Apr 22, 2018 · Has anyone had any leaks from the fuel vacuum sensor after installing a lift pump? I have read that this is an issue after installing a lift pump. Maybe the 2020 HD will replace the fuel gauge with some nonsense buried in the DIC instead. 0L - Old Trucks: 1 - LB7, 3 - LLY, 1 - LBZ, 2 - LMM, 1 - L5P Sep 4, 2011 · Hello all, just bought my first Duramax about 2 weeks ago and so far I absolutely love it. Drove it this morning 20 miles, still there. When the engine warms up the gauge shows about 20psi all the time and the alarms comes on when coming off idle then goes out. It would fix itself over time & be ok for awhile & then do it again. 3 Cummins--SOLD Sep 11, 2014 · LMM with 45% over sticks, FASS 150 lift pump, brand new CP3, 5 position switch tune, egr delete, pcv reroute, factory fuel filter housing removed. Oct 7, 2024 · The ECM regulates the admittance of fuel down to lower the pressure, so the more power applied, the lower the fuel pressure on the rails. The first failure was December 2021 and the overnight Temperature was -30 degrees C. The engine becomes very shaky and various additional engine lights will appear such as Stabilitrak and ABS. Sep 9, 2017 · Side note: I ended up taking an eraser to the old sensor. Problem happened suddenly. Pushed on the connector and problem went away, pushed again and problem came back. Took it to a shop to get the oil pump replaced because I had low oil pressure. Do you have an upgraded fuel system and need a way to monitor fuel pressure, but not sure how you'll tap into the fuel hose? EASY! Check out this simple to install tee. Mar 11, 2017 · 2009 GMC Sierra 2500HD SLE CC/SB 4x4 LMM EFI Live, Edge Insight CTS, Flo~Pro 4" DP back exhaust w/ muffler & stock trumpet tip, Alum. Aug 4, 2017 · My rear tank sometimes doesn’t transfer the fuel, and I’ve been stuck a few times when the truck died due to lack of fuel even though the gauge still read 1/4 tank. Gravity only. Or maybe the problem is in the Solenoid or path to ground through the Starter Commutator. Sep 22, 2021 · Diesel fuel is used to cool the injectors and excess fuel is returned to the tank thru a fuel cooler. 6L V8 with a Duramax LMM. If a technician was to suspect the rubber portion of the fuel feed line collapsing or kinking, replacement of only the rubber line is Mar 22, 2017 · Thought it was either the fuel or the filter, but 2nd time it happened was shortly after changing Air Dog Fuel and H2O cans and main Fuel filter. Thanks for the help guys. Rail pressure keeps up at low rpm and boost, but won't keep up at higher boost. My miles says I can go 541miles. From May 23, 2024 · Well guys thanks for all the input problem persists still only thing that hasnt been double and triple checked is low side pressure test via the test port with proper gauge also injectors returning too much fuel via high pressure test or cp3 not sucking enough pressure due to failure anyways I ended up dumping the truck I'll keep everyone Apr 3, 2020 · 3. Dec 8, 2024 · In my experience, it can cause issues with fuel delivery on certain trucks. Jul 2, 2014 · The Duramax does NOT have a factory fuel pump. It usually starts with difficulty starting the vehicle and then transits to excessive smoke, poor fuel economy, lower RPMs, loss of engine power, and excessive noise. it Jan 2, 2013 · Update: Got the problem fixed. Haven't really heard of anyone having this problem with the LMM's. 2 liter After you install that FASS 165 pay attention to your fuel gauge. Problem is gone and truck runs excellent. 5 LMM-6" Zone Lift,20x10 KMC HOSS rims,35/12. Pressure running about 28 psi. I put back together and I have seen the warning 2x since Sept 10th but they clear after the next start. Ron Nielson - Most of the information I provide relates directly to my 2008 LMM - Your truck may be a little (or a lot) different Jul 16, 2013 · Hi all I have a 2002 chevy silverad 2500hd and im having an electrical problem with the fuel pump relay. The harness tests fine. First duramax and this just Apr 5, 2022 · Hey guys so I have a 2008 3500 6. Although the Duramax LMM engine was way ahead of its time, there are 10 common problems with it, including low fuel rail pressure, winter starting issues, DPF problems, water pump issues, gasket failure, piston failure, etc. Will not reset until it senses movement on the main tank fuel level. I doubt your '17 is any different especially since the above referenced bulletin pertains to '15 and up trucks. Mine is a 2010 with 70,000 miles. 19th. 2005 Yukon XL 2500 w/2006 LBZ. bleeder screw, WIF sensor delete plug, Fumoto oil drain valve, Pacer LED cab lights, GM dually light bar under tailgate, Footwell lights, Cobra 29 WXNWST CB radio, Wilson 2000 CB antenna, Kenwood speakers, GM chrome oval running boards, Bilstein 5100s, Michelin Jul 12, 2017 · A dealer may need to perform a repair on the rubber portion of the fuel supply (suction) lines. It all resets itself after a few starts or about 20 miles. Owners manual says the rear tank empties first and then the front. Conditions for Setting the DTC • The fuel level signal is greater than 98%. I left work at 10% fuel level indicated on my Edge Insight3 and the fuel level gauge just below a 1/4 tank and if I remember correctly, 243 on the trip meter. : TB-080849016B May 4, 2018 · The problem is, when you top your tank off and you reach 100 miles the gauge drops to zero, low fuel light comes on and the check engine light also. I haven't had any problems this winter but haven't been driving it much, been using another truck. Also Winter fuel reduces fuel mile by 15-20 percent some professional tuners claim. I idled the truck for 10 min (the temp gauge was still not warm) and after I drove about 100 yards, I lost all the oil. Feb 3, 2022 · l5p Duramax problems (2017,2018,2019,2020 and 2021 years) Allison 1000 Power Transmission Issues in the Duramax L5P. SUCH an idiot! live and learn. I think GM is going to tell you its normal operation. That DIC parameter has been my fuel gauge for the last 2. 5 LMM CCSB Chevy 2500 4X4, DPF Delete, 4" MBRP, EFILive by Idaho Rob w/DSP 5, 285 Cooper ATP's Dec 8, 2023 · Model Variants: LLY, LMM, L5P, and Others. Sep 5, 2017 · So I have a problem with my fuel gauge that started a couple of day ago. I turned the truck off and back on and it seems to fix it. Both of my '19's (3500 and 4500) operate this way. 2 liter 2019 Chevrolet 3500HD CC 4X4 Flatbed--SOLD 2011 Peterbilt 337 hauler with 360HP 8. Pulled over and checked levels, all fine. When the engine is cold the pressure registers on the gauge on the dash and no alarms at idle. Once there is movement on the gauge for the main tank AND you shut the key off the code goes away. Is there anymore insight to the issue? Mar 1, 2018 · Have the 2018 3500. It shows a relay because GM uses the same fuse box for the gas engine trucks. Apr 13, 2019 · I seem to have the opposite problem that JBone7872 has 2007. If you are having this issue, it is due to the high fuel pressure as Ironman said. The truck Regens WAY more often when you do warmups like this. Both are AC Delco. Each oil filter that failed was the blue Delco oil filter. 5 gallon/89 liter front tank and 40 gallon/151 liter rear tank) (RPO N2N) may have poor fuel transfer or the rear fuel tank may have collapsed. Do this. Apr 25, 2018 · 🇨🇱 🚆2007 LBZ 3500 LT3 DRW Crew Cab, Sulastics, Putnam XDR 15K, B&W 30K-Turnover GN+Companion, Ride-Rite AirEFI'd by Rob 🇺🇲🚛 2008 LMM 3500WT DRW Crew Cab, 8 'Flat/GN, Workforce Alum Toolbox, Ride-Rite Air Oct 11, 2021 · Along with the dashes was a low fuel indicator light (even after fueling up the truck) and what appeared to be a dead fuel gauge pegged at empty. 6L Duramax Z71 SLT, 4" MBRP T409SS With 4"x6"x18" Tip, DPF/CAT Delete, EFI LIVE DSP-5 Switch, Edge Insight CTS Tunes From IDAHO ROB Wheels: D'Centi 903 20x10, Tires: Cooper Zeon LTZ 305-50-20 Jul 12, 2023 · Did my second fuel filter change today on a 2022 with 31,199 miles. A very small tank reserve would not provide the temperature buffer needed to reduce fuel temps. Don't overheat your starter!! With that information, you know that your ECM is demanding enough pressure to start, and that fuel pressure is not being produced. 07. 0 3500 WT DRW ExCab Flatbed, 2005-LLY 3500 LS DRW Crew Cab, 2002-LB7 3500 LS DRW Crew Cab Dec 14, 2008 · 2007. Injector Wiring looked perfect. When that happened, it bumped my fuel pressure up to 8lbs vs the 4-5 that I normally run. See full list on dieselpowerproducts. I will be driving along and all of a sudden truck shuts off and fuel gauge will go to empty. Finally, I got a CEL, the gauge went to empty and I got low fuel warning lights on the gauge and Nov 9, 2018 · First post here, been lurking for months. Oct 19, 2019 · 2018 GMC l5p ccsb stone blue metallic. Observe the Fuel Rail Pressure Sensor parameter with a scan tool. The CP3 [mechanical] does not use a fuse/relay. One is only 1/8th and the other full. 5 Silverado 2500HD 4X4 Reg Cab LB, LMM, RED Edge Cts, 4inch exhaust, Efi Live 2005 Silverado 2500HD 4x4, Reg Cab LB, LLY, RED 285/50/20 Nitto 420s, 20x10 Gear Alloy 726MB Nov 28, 2018 · Justin 2001 LB7 Silverado 2500HD LT CCSB 4x4. As of now, the low fuel light comes on after I've consumed only about 13 to 14 gallons based on the fuel used parameter in the DIC. Feb 13, 2012 · SOLD 2001 GMC Sierra 2500HD, CC,SB EFI Live V2 w/dsp5 MAX EFFORT by Idaho Rob, EGT's Never higher than 1150* :thumb Cognito Braces, and ATP Sleeves, BD Manifold, ARP H. 5's with Hercs, Fox and icon Shocks, DMAX ecm, built tranny by Mike at Inglewood, AD165, 4" MBRP turbo downpipe 2 a 5" straight pipe , RAM AIR 2 a AFE stage 2 intake, AFE intercooler pipe, FS 2000 trany and engine filters, Mag-hytec tranny and diff, front and rear bumpers w/spray on liner, Recon cab lights, recon marker lights, HID's hi and low,4 kids, 3 I am currently battling this problem right now(P0087) on my LMM and I even have a FASS lift pump. Sep 3, 2018 · Once the tank emptied enough, the gauge would start working again. I live in San Antonio Tx where its pretty hot. While not the most common problem, the #4 fuel injector specifically is known to be problematic. 5 LMM ccsb ltz MATTE BLACK 8 inch fabtech lift,36x15. 2. I don't have anything on the OBD. Texas fuel & tool w/HM xfer. 3 Cummins--SOLD Oct 24, 2012 · This is a separate issue. 7 volts. If a technician was to suspect the rubber portion of the fuel feed line collapsing or kinking, replacement of only the rubber line is Jan 24, 2011 · My new to me 2008 Silverado 2500HD with LMM engine is giving me some funny readings with the fuel gauge. 5-10 LMM Duramax Powertrain 2018 Chevrolet 1500 CC 4X4 High Country 6. After trying 20 different solutions to the stalling, it all came down to the fuel line that comes up next to the steering shaft under the master cylinder. I also saw that Refined Performance makes a delete plug for this as well. 5-8. It occasionally jumps to Full after I fill up the tank but for the most part it just stays on E. If I let this happen on the 2018, it does recover but also throws a check engine light and code reporting a fuel tank sending unit malfunction. Last trip low oil pressure warning came up. Called Scheid and was told it could be a hassle finding the problem. Had it towed and repaired. 50 baja mtz's,20x12 fuel nutz,reflexxion hood,rbp grille,s&b cai,recon smoked headlights,dsp5 by Kory Willis,mbrp 5 inch TB,mbrp dp,7" black chrome stack,PPE boost and pyro gauges,edge insight cts,bd blow off,egr delete,pcv re-route, alpine touch screen, 2 10" type r's SOLD Jun 27, 2018 · I had a 2012 3500 (that I just got rid of) that had a fuel gauge problem similar to that. Some was very find and some was disturbing. The only problem I have had with the truck is last summer while towing a steep long hill outside Laramie I blew the return tube off the turbo. Mar 25, 2011 · Last week i threw a code i dont remeber the # but i scanned and it was the fuel temp sensor, every morning when the truck is getting up to temperature the engine temp on the gauge cluster peggs out and fluxuates irratigaly, the dic reads ENIGINE OVERHEATED, ENGINE COOLENT HOT, but there is know way ther motor is hot. Sep 23, 2013 · gmc/chevrolet/cadillac: vehicle fuel gauge inaccurate below 1/4 tank. This is a common problem I've seen other LMM trucks have. I have an LMM that the guy himself did a turbo swap and headgaskets. The injector connector for the #4 injector is known to go bad and send the L5P into limp mode with a P0204 engine code. Immediately after cranking, the temp, oil pressure, and fuel gauge are in various stages of zero to full scale. Oct 29, 2018 · I am new so please forgive my newbie/ness. Keep in mind the truck is also not even close to broke in yet. I can’t count on it at all. 20% tint. Fuel is not going to be leaking out of a suction system. Along with replacing the aluminum bleed screws with better quality brass. So it sends the needle to 0. Just looking for any info on this as I will be deleting my truck in the next 4 months or so. Jun 2, 2021 · However, it does suffer a few common problems such as MAP sensor failure, a weak transmission, and fuel injector failure. I was drive from work with a quarter tank and after about 20 minutes of driving, went down to zero. Swapped #5 injector out with #3 and problem stayed on #5. 86xxx miles. • The Jul 27, 2021 · I have a 2020 L5P duramax high country currently 35k miles still under the bumper to bumper warranty. The Duramax uses the injection pump-[CP3] to draw fuel through all the lines, and fuel filter, so a small leak can allow air. PPE Turbo Boost Pressure Gauge 60PSI Black Face/Black Bezel PPE-516010000 1. Nov 23, 2018 · The front Battery I added a 2-4 gauge wire and grounded it to the frame and added another ground from the negative on that same battery to the ground bracket off the engine block. Jan 2, 2020 · I have an 09 GMC 350 4x6 with the Duramax LMM and Allison. I've done the whole fill up, record mileage, and gallons burned method of calculation by hand and found that the DIC is spot on with fuel burned reading, and average fuel economy reading. P. B&W turnover ball hitch. About 50 Dec 4, 2018 · Yours sounds exactly like the same problem I had. When front gets low enough rear pump operates to keep it at a certain level. Dec 7, 2017 · 2009 Silverado 2500HD CCSB LTZ Diesel FASS 95 Lift Pump (with Baldwin filters), Edge Evolution CTS2 Monitor w/Dash Pod Mount, Factory FF as Tertiary Filter, Bilstein 5100 Stock Height, Steel Diamond Plate Bed Rail Caps, AMP Research Bedstep, Fumoto oil drain valve, PS Oil cooler, Pioneer AVIC 7200NEX GPS/Stereo, Air Lift LoadLifter 5000 Air Bags. The FASS fuel filter bypass housing is also on your truck now. This just happened today for the 1st time in forever. Jan 29, 2023 · The pump isn't an on or off pump, so hot wiring relays won't do anything, it's a PWM 3 phase pump. The truck is going into low power mode (Limp mode). Then I put $40 in the tank, no movement there either. Thinking of adding the remote shut off and on valve. Noticed some metal in the bottom of the filter bowl. 6L Duramax diesel, ranging from fuel injector and NOx sensor failures to fuel starvation and fuel dilution concerns. Nov 17, 2009 · Thought I should report that I “FOUND A FIX” to the “2008 Chevy 3500 LMM FUEL GAUGE PROBLEM” Here’s the Fix: By simply tapping on the front of the gas tank, the portion of the tank that is exposed in front of the metal shield, the gauge will spring back to life, and report the correct amount of fuel. I was filling up at the pump when my guage got stuck on 3/4 tank. Feb 23, 2022 · 07. It does throw a code. Mine was intermittent, sometimes it worked and sometimes it didnt. 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. later Sep 11, 2013 · The low fuel rail and limp mode problem was collapsing fuel lines. Two hoses at the fuel filter, 1 hose by the transmission, and one hose by the brake master cylinder. Also pulled that off and apart and wire wheeled the bolt and the brackets to shiny and plugged everything back together. Mar 14, 2013 · My opinion is not the opinion of Duramax Forum, Vertical Scope, or other Duramax Forum staff members! Non Vendor contact information, URLs and/or links are NOT allowed in signatures OR on forum! 23 GMC Yukon 3. It has had a misfire since then on CYL 1 and has been to 2 different shops before it made it to me. Troublefree and I should have hung onto it. The fuel level information is also used for misfire and EVAP diagnostics. It's not my absolute favorite, my first 2008 Sierra LMM was my favorite. I've got 7. I ran a additive every tank too but still had problems. Replaced-fuel pump because of weak fuel pressures and replaced both fuel regulators after some diagnosing pointed to them being possibly faulty. Feb 1, 2023 · While most known Duramax problems affect specific model years, the faulty fuel system is an issue that plagues all model years. 5 LMM The problem seems to be worse right after cranking and while engine is warming up. But when I did have a problem I would dump 911 in the tank and put hot water around the air dog filters and that seemed to get it going. 5-2010 model years. ZERO your OHM Meter (if Analog Meter) and OHM from Starter Relay Pin 87 to one of the sides of the Fuse # 60 STRTR (40A) in the UBEC. Mar 4, 2024 · What other problems could be tied to this? My 08 started reporting premature low fuel level a couple years back. My buddy just got his truck back from the dealer for water in fuel light problem. Feb 14, 2012 · Charlie 2008 GMC 2500HD LMM SLT CC SB 4x4 Z71 Buckstop front bumper, WARN M12000 winch, PIAA 520 ATP driving / PIAA 510 fog, Westin Platinum Series nerf bars, Pace Edwards Bedlocker tonneau cover, Cognito UCA leveling kit and HD Idler Pivot Assembly, Cognito Pitman and Idler steering braces, Bilstein 5100's, LT285/70R17 BFG AT KO tires, 17 x 9 XD Series Crank Wheels, 15% Tint Driver/Passenger Jan 30, 2011 · 2nd dmax 2009 GMC 2500hd SLE2 CC SB Z71 4wd lmm/alli 6spd, Onyx over titanium, spray in armaguard bedliner, deezee rail caps, ici gatorback flaps, gm oval step bars, gm brake controller, gm remote start and tow mirrors, 17in gm wheels, delta bed level toolbox , chrome door handles, gm 6 disc bose-xm w rear ent, Garmin nuvi 3590lmt, dic button upgrade, gm Power moonroof/rear slider, rear wheel Feb 17, 2015 · I had to fight gelling fuel a few times last winter. LMM: The LMM version focused on meeting stricter emission standards without compromising on power. com Sep 24, 2020 · When you are getting a P0087 code and reduced power output, the most common problem tends to be either the fuel injectors or the fuel pump itself. After I did, my 273k mile LMM will fly no problems. May 31, 2013 · 2009 GMC Sierra 2500HD SLE CC/SB 4x4 LMM EFI Live, Edge Insight CTS, Flo~Pro 4" DP back exhaust w/ muffler & stock trumpet tip, Alum. 50x35 open country toyo's,cat lost, 4" exhaust and monster muffler,afe mp,deep trans pan,earl's larger trans cooler with electric fan,large fluidyne oil cooler,afe cold air intake,afe mp,3 downpipe,custom made air scoop,onboard air Apr 3, 2010 · 2008 2500HD 6. Here is what I'm wondering Feb 22, 2024 · last week I drove it past empty. May 20, 2018 · 2015. I am dealing with it by clearing 652 code while I try to figure out the root cause. ON RARE OCCASIONS, THE VEHICLE HAS AN INACCURATE FUEL GAUGE READING AT 1/4 OR A 1/8 OF A TANK. 4. Had reset the fuel filter to 100% and it dropped to 0 in about 10 seconds and threw the message to change fuel filters. Also have the BCM checked as the BCM controls the instrument cluster in the end. 6 4x4 with 212k miles, dpf delete is the only mod. When I started transferring fuel from my aux tank after a couple of minutes the pressures was steady. I know on the 04 there is a bank of wires on the side / under the fuse block that controls several things on the instrument cluster as I bent a pin and had issues with temp gauge and fuel gauge. Today the truck sat for about 48 hours or so, and I tried remote start it shut down which signals me to my Lack of oil pressure, so I go fire it up with the key and it takes about 5 or 6 seconds til my gauge shows pressure. Mar 31, 2013 · Keep having a change fuel filter message and it drops from 100% to 0% then a few minutes later a reduced engine power message comes on and even sometimes after I cut my truck off and back on the message comes on about 1/2 mile down the road. Dec 29, 2017 · The rubber section of the line could become kinked or collapse. Feb 25, 2018 · 2009 Silverado 2500HD CCSB LTZ Diesel FASS 95 Lift Pump (with Baldwin filters), Edge Evolution CTS2 Monitor w/Dash Pod Mount, Factory FF as Tertiary Filter, Bilstein 5100 Stock Height, Steel Diamond Plate Bed Rail Caps, AMP Research Bedstep, Fumoto oil drain valve, PS Oil cooler, Pioneer AVIC 7200NEX GPS/Stereo, Air Lift LoadLifter 5000 Air Bags. Jun 23, 2018 · I have 2 fuel pressure gauges, one off the LP the second off the stock fuel filter head. 06 LBZ 2500 350,000mi 09 LMM 3500 Cutaway 700,000mi 22 L5P 3500 DRW. Rear tank has a pump to transfer to front. ) A month after the OEM sensor was installed the problem came back. I have only one fuel cap. Jul 12, 2022 · 2019 3500HD 125k miles. Rock Auto has a good reputation for OEM parts, but I have not had problems with Amazon. Jun 5, 2019 · 2019 Chevrolet 4500HD CC 4X4 Flatbed 2018 Chevrolet 1500 CC 4X4 High Country 6. Truxedo tonneau cover. My Edge CTS 3 does not lose its fuel level when this happens. My freind has a 2017 midnight edition 2500 crew cab short bed Duramax with 20,000 miles. I was able to take a pic showing the empty fuel gauge and dashed Fuel Range along with my Edge CTS 3 in view showing 54% fuel level. There are problems with hot diesel fuel, sometimes in the 200* area, that would be unmanageable without that residual supply. Though this can’t be listed as an actual problem on this engine, the transmission `will struggle somewhat if you want to make modifications `for `additional horsepower. Added 30gal transfer tank. Last year the gauge started showing a low reading compared to what I knew was in the tank. But if I command 16K, it will get there and maintain it. I use the truck for towing a 32 foot 15K fifth wheel. Feb 2, 2024 · 2001 Silverado 3500, Duramax Diesel LB7, dual fuel tanks. bleeder screw, WIF sensor delete plug, Fumoto oil drain valve, Pacer LED cab lights, GM dually light bar under tailgate, Footwell lights, Cobra 29 WXNWST CB radio, Wilson 2000 CB antenna, Kenwood speakers, GM chrome oval running boards, Bilstein 5100s, Michelin Oct 15, 2012 · Charlie 2008 GMC 2500HD LMM SLT CC SB 4x4 Z71 Buckstop front bumper, WARN M12000 winch, PIAA 520 ATP driving / PIAA 510 fog, Westin Platinum Series nerf bars, Pace Edwards Bedlocker tonneau cover, Cognito UCA leveling kit and HD Idler Pivot Assembly, Cognito Pitman and Idler steering braces, Bilstein 5100's, LT285/70R17 BFG AT KO tires, 17 x 9 XD Series Crank Wheels, 15% Tint Driver/Passenger Feb 20, 2016 · Ok here is the latest, (please refer to my past notes here it is not ANY of the usual problems), replaced sender and mounted digital gauge with velcro on dash, I did have to mount original sender with clamp to block as it kept the "check" light on and may have affected computer programming, took a 100 mile trip and NO "bonging" everything is normal. Nov 19, 2017 · LMM fuel gauge quit working. The fuel gauge shows I am 1/2 full. , HD tie rod sleeves, Rancho RS9000XL shocks, 20x9 Fuel Maverick, 305/55/20 Nitto Terra Grapplers, Cognito UCA's 5K HID lows and fogs, Depo black headlights Sep 24, 2018 · The fuel in the filter was captured in a mason jar and no water could be found. One of my batteries was bad, causing the truck to over charge at 15. The ECM sends a duty cycle command to the fuel pump module to determine how fast the pump runs (variable frequency). Took the plug all apart blew all the dust/grime out and pushed all pins back in. The rubber section of the line could become kinked or collapse. 0. 08 Silverado LT 6. That was one problem point, but another concern was with the pistons. I parked on a incline in the parking garage yesterday for about 1 hour, started truck, put in reverse, truck died and no re start. This lasted a minute or two, then the fuel qty came back and remained normal. It is supposed to be removed with the installation of the fuel filter bypass kit as well, per FASS instructions. First time this has ever happened to me. If you Mar 4, 2013 · deeahgee 06 crew cab dually Budnik 19. Oct 30, 2018 · The PCM sends the fuel level percent via the class 2 serial data circuit to the instrument cluster in order to control the fuel gauge. 5 years and it's ALWAYS with 1/2gal when I Aug 21, 2018 · side note, does rain make the problem worse? i have heard rumor of some people with NBS trucks having water ingress problems with the fuse box under the hood. The fuel gauge will read empty when there's still approximately 8 gallons of fuel left. fuel filter housing replaced along with all rubber fuel lines with heavy duty fuel lines because of TSB on issues with air leaks in them. It pretty much just stays at Empty and the Low Fuel light stays on. There are no starting issues and it seems to drive fine until I accelerate hard or I am pulling a load and accelerate hard or up hill. there is also a power distribution junction on the side of the dash if memory serves, theres some thick red, red/black and or red/white wires which are all fused 12V supplied to various Jan 4, 2019 · From the fill location to the fact that there's no level meter, it's all garbage. Gm uses a plastic nylon braid over a rubberlike plastic tubing. Cover) / BDS Skid Plate / Bilstein 5100's / Cooper AT3 XLT LT285/65R18 / CST DEF Tank Skid Plate / Gen-Y 16k Offset Hitch / Husky WeatherBeaters / Mad Jack Fuel Access Door / Mountains 2 Metal NOCO Bumper Grille / NAPA Legend AGM Batteries Nov 10, 2018 · Also you may have a bad or corroded connection around the fuse block. Rubbing it real good and cleaning it off with some rubbing alcohol. Jun 26, 2022 · If you go over a 100 miles or so and the fuel quantity doesn't move, the computer thinks you have a defective sending unit. About 50 Oct 2, 2014 · Asked him if he'd used my truck and put fuel in it "nope" So I knew there was something wrong immediately. Jun 2, 2021 · 3. Built trans, Airdog 165, sleeved,braced,EFI, Isspro gauges, edge cts, mag hytec diff cover 2007. Oct 24, 2022 · 2019 Chevrolet 4500HD CC 4X4 Flatbed 2018 Chevrolet 1500 CC 4X4 High Country 6. 5/20 Mickey Thompson Baja ATZs,4" turbo back to black 6" stack,EFI Tuned by Dans Diesel Performance,Airdog 165, Edge Insight CTS,Mag hytec diff cover,Longhorn Fab Shop Traction Bars,N-FABS,Fabtech tie rods,braced,All black everything Sep 10, 2017 · 2008 lmm-fass 150,s&b intake, Mbrp downpipe, 4" flo pro, kory Willis built trans tunes,trans go jr, egr gone,lb7up pipe air lift airbags, ppe fuel plug,PCV reroute,cts2, 20x10 -24 285/55,lml front end swap,retrofitted headlights, blah blah'dunno; Jun 21, 2017 · 2006 HD2500 LBZ, with Dual Fuel Filter and Lift Pump, 40 gal in bed fuel tank, one fuel heater and three fuel filter heaters. No other issues. Feb 5, 2012 · 2010 CCSB LMM. 6L Duramax diesel engine (RPOs LML, L5P) and dual fuel tanks (23. No air really came out but just to make sure, I bled out quite a bit of Dec 21, 2014 · OK, Looks to me like you have a problem with the wire from Starter Relay Pin 87 that goes to the Solenoid. Jan 1, 2018 · 10 minute warmups KILL MY fuel mileage by almost 2mpg per tank. Well since then it will slowly fall to a 1/4 tank back to 3/4 even though I have a full tank. So I bought 4 feet of 100r16 hydraulic hose and replaced all rubber lines. 5 CCSB Silverado 3500 4X4 4" Aluminized DP back W/muffler 4-5 tip Motor Ops autocal Full EGR delete 2018 SKS 146 "rx-0" Mar 31, 2014 · I had a leak near the fuel cooler and cut out the factory line and used black rubber fuel line with hose clamps 10k miles ago with no problems. Nov 1, 2015 · surprise duramax 2005 gmc lly,6 inch lift,fox shocks with remote resevoirs,moog pitman arm & idler arm,fabtech tie rods,rear airbags,18 inch boyd coddington rims,12. My friend drained fuel filter and found very little water. i rolled in neutral down the ramp of the garage to a flat spot, primed fuel filter head, still no start. If it's a consumable fluid and the truck needs it to run, there should be a dedicated gauge showing the level on the dashboard. Mar 30, 2016 · customer complaint- truck had loss of power when driving under any load or throttle more than cruising. Mar 28, 2012 · Charlie 2008 GMC 2500HD LMM SLT CC SB 4x4 Z71 Buckstop front bumper, WARN M12000 winch, PIAA 520 ATP driving / PIAA 510 fog, Westin Platinum Series nerf bars, Pace Edwards Bedlocker tonneau cover, Cognito UCA leveling kit and HD Idler Pivot Assembly, Cognito Pitman and Idler steering braces, Bilstein 5100's, LT285/70R17 BFG AT KO tires, 17 x 9 XD Series Crank Wheels, 15% Tint Driver/Passenger Jan 6, 2012 · 07. It appears I have two fuel tanks as indicated but . 1/3 tank fuel pressure bouncing 2- 6 off the LP, it’s always a steady 7. Fuel rail pressure stays up and injectors are good and have an air dog 2 along with fuel filter delete. ) 516010000 Aug 3, 2013 · 🇺🇲🚛 2008 LMM 3500WT DRW Crew Cab, 8 'Flat/GN, Workforce Alum Toolbox, Ride-Rite Air Use-ta Haves-->> 2006-6. an example is having a 26 gallon tank and reading empty. drove 40 miles and the gauge stayed the same. then filling the tank full at the station and it takes 18 gallons to fill it. The fuel gauge always reads empty and low fuel alert is showing. I have just purchased a 2017 2500hd duramax. The problem has not appeared since Sept. I just changed all the fluids and filters myself. Feb 1, 2023 · Duramax LMM: 2007. It is also surging in idle. Save Share Reply Quote Like 09 Most Common LMM Duramax Problems and Solutions. mod, MA Aluminum Bleeder, PPE Boost Valve, Banks Ram Air- Intercooler, FASS 150, LBZ FPR, Shimmed FPRV, 4" MBRP turbo back exhaust w/6"tip, Corsa Muffler Aug 4, 2023 · Note that once fuel is drained from the fuel rails, it may take several (4-5, maybe more) instances of cranking the engine for 15 seconds at a time, to produce the necessary rail pressure. While driving the truck I am watching the fuel rail pressures with… Feb 24, 2022 · I purchased it new in 2018 and had ALL service done at GMC dealers. I'm so excited it wasn't injectors or injector pump. I tow a lot with a lot of weight. It sounds like the fuel filter switch vacuum FC5452 mentioned. when driving hte truck and its acting up the motor has a weird noise almost May 24, 2012 · 08 Victory Red 2500HD LMM 4wd 20% tint, EFI Live by Kory, Alligator built trans, Airdog 165, Autometer gauges w/Edge CTS, 5" stainless steel exhaust w/Pro Fab downpipe, S&B intake, PCV rerouted, Transgo Jr. Ended up being a loose pin in my ECM. Mcgaughy's 2" drop shackles. Mechanically speaking, the Duramax LMM was almost the same as the LBZ, but with emissions control parts that weren’t present on the LBZ. Weird. zdmbw jmhf qeijf ntl lpd dqsyj nxam rjkcyh wntxt ztio gcsys cgdoc vollm nkopc pqnj