Lb7 duramax running Price: $449. 00. Buy Here: Duramax LB7 PPE Standard Xcelerator. Was pulling an empty equipment trailer about a week ago and got on it a bit passing a gravel truck. Jump to Latest I got truck running right after having hard loping fueling issue turned out to be FPS pigtail (easy Jun 10, 2012 · Chevy / GMC Duramax 01-04. UPC : 659657086099 $ 25,000. Build a plug and pressure up inlet of the big turbo to check for air leaks. 5 LB7 Duramax Powertrain LB7 no boost. How Much HP Does an LB7 Duramax Have? The LB7 Duramax is a 6. Sep 26, 2023 · If you are running some more advanced mods, aren’t concerned about spending an extra $500, or want the best money can buy then I recommend EFI Live. Mar 6, 2012 · I've got a new to me LB7 and I think that the temperature is a little low. com Mar 1, 2021 · The problem is no power to injectors (LB7 need 96DC volts). 5 Lift, Fox Shocks, Fabtech HD Tie rods, 20x9 Fuel Lethal Jan 9, 2019 · 01-04. May 19, 2023 · 2003 GMC Sierra 2500HD SLE Duramax LB7. 2L Diesel Engine Duramax Third Generation: 2006-2007. Item 11 is your return line pipe to the cooler/tank, with a quick connect flex line attaching there and running down to the frame rail, attaching to the hard line going to the fuel cooler. Jun 20, 2011 · Just got a call from my brother his 2003 2500HD with a LB7 quit running on him while driving. 3K So I have an 03 lb7 stock truck and It is running warmer than normal. 5L Diesel Engine Duramax First Generation: 2001-2004 (LB7) Duramax Second Generation: 2004. It hasn't run since I bought it but it has 5 stored codes, one is a fuel pressure regulator circuit code, a high rail pressure code, a glow plug module code, voltage reference open circuit code, and a non communication between the ECM and the ficm. 6. Jul 9, 2012 · Need big help, i have tons of oil leaking from my 04 LB7 duramax work truck. All circuits and harnesses are good. 5 LB7 Forums. 6-liter turbo-diesel V8 engine introduced by General Motors in 2001. But it leaks a lot of oil, to the point where it leaves a big puddle under the truck. We’re going to cover each of these problems in depth and discuss overall LB7 reliability. PPE Xcelerator: Best Budget Programmer. 00 – $ 28,500. It was capable of producing 300 horsepower at 3,100 RPM and 520 pound-feet of torque at 1,800 RPM. Jun 13, 2024 · Overview of the LB7 Duramax Brief History and Significance The LB7 Duramax is a 6. It was driving great, the customer drove home from work and would not start (it cranked great) the next morning. Jump to Latest 4. Save Share Reply Quote Like Nov 7, 2016 · Help lb7 only running on drivers side cylinders! Alright guys the 02 truck in my sig is having a major issue right now. 5 LB7 Duramax Powertrain Running cold? Jump to Latest My truck is running cold. Seems to only leak after I drive it for a bit then I park it and shut off the engine. It's like a 30 degree morning when u first get in & take off. I took the reading via my OBDII reader, it is 170-172F. Tuned, Deleted, and running a Fass. 5-2005 (LLY) 6. Lack of fuel will cut RPM off usually -head studs and gaskets-66mm-5” straight pipe axle dumped-Rail plugged-full s&b intake and mouthpiece-dans diesel 800 HP built trans with billet stator-glowshift EGT, boost, fuel pressure, edge cts2 Jun 22, 2020 · Hey guys, new here to this forum and was looking for a little assistance. SKU: CEP66LB7FW. On all of my other vehicles (mostly GM), operating temp is 210, however I cant get the Duramax above 170 (according to the gauge it is 180). List your year of duramax and mods thats could give us insight. LB7/LLY intercoolers don't have the corners finish welded and most all leak there, some worse than others. I have 2004 lb7 duramax with 269k miles, replaced the factory injectors last week with remanufactured Bosch injectors and truck drove and ran amazing until this morning, pulled into work and truck sounded like it had a fuel knock. Feb 1, 2023 · There are great Duramax engine models out there for you to try; however, there are specific model years that you should avoid. but if it ohm's out good inspect wiring to the FICM and wiring to the injector harness, check the Jan 17, 2022 · I have an lb7 I bought non running that I'm attempting to fix. 5 (LBZ & LLY) Top Contributors this Month Aug 5, 2020 · With that being said, the LB7 is known to suffer from fuel injector failure, bad water pumps, fuel filter housing leaks, blown head gaskets, and engine overheating. I have changed the Feb 8, 2010 · 2006 lbz cclb dually, white, 4in flo pro, sled deck! sold--2003 lb7 eclb, auto meter gauges boost/pyro, mbrp 4in, moto metal 951's LT275/65/18, 3500 rear springs. 5-10 LMM Forums. 01-04. It was developed in collaboration with Isuzu, combining the expertise of both companies to create a robust and reliable engine for heavy-duty trucks. Also broke the rocker arm shaft. I think the previous owner had it apart and failed to torque the bolts back down. 5 LB7 Duramax Powertrain New Member Introductions Build Nov 9, 2011 · There is no Fuel Pump on the Duramax engine-! The CP3 pulls fuel from the tank-- and through the fuel filter. Duramax LB7 Engine Problems. Core May 26, 2012 · 6. All was well after the pass but a few miles down the road truck lost all power and would barely do 40-45 miles an hour. Within the LB7 community, PPE’s Xcelerator is usually the most recommended plug-and-play Nov 4, 2023 · 01-04. 6L 2001-2004 Full Running Workhorse LB7 Duramax Diesel Crate Engine. Nov 9, 2011 · There is no Fuel Pump on the Duramax engine-! The CP3 pulls fuel from the tank-- and through the fuel filter. Aug 21, 2015 · Boost leak can cause egt's to climb like that. 5 LB7 Performance Parts Discussion Just wanted to know if anyone's running this tuner and how they like it. As the first Duramax model to be released, the LB7 is still very popular among diesel enthusiasts due to its lack of emission control Jun 25, 2018 · 2001 2500hd 4wd extended cab ls, s&b cai, 4" stainless steel exhaust, efi live from atp trucks, edge cts, ppe boost valve, banks intercooler pipe, air dog ii 165, rebuilt tranny with suncoast kit, transgo shiftkit and billit torque converter, new upgraded tailshaft, pump rub fix on transfer with new aluminum tail shaft, new tow mirrors, new gage heavy duty front and rear bumpers, beans sump Apr 3, 2020 · Chevy / GMC Duramax 07. The LB7 marked a significant advancement in diesel technology, offering improved performance Feb 21, 2016 · Ended up being 2 of the bolts on the rocker assembly on the passenger side backed out and one broke off. Apr 25, 2018 · Here's a drawing of the LB7 fuel injection system. What did your EGT's do when you down shifted to 4th? Mar 3, 2011 · From all out performance builds running 8 second ¼ mile territory, to 2000hp sled pullers and all the way back to the average guy looking to boost his performance in his tow rig to get up those hills a little quicker than his buddies. 5 LB7 Duramax Powertrain Lb7 Running warm. Duramax LB7: 2001-2004 model years. He is not able to get it started again - ANY IDEAS? See full list on dieselresource. 6-liter V8 diesel engine. Jan 20, 2019 · I dont think a lack of air will limit your RPM. Below, we give a rundown of these years to avoid. Gotta Feb 14, 2012 · 2012 White Chevy Silverado LTZ LML 3500 CC/SB SRW Deleted, MotorOps LPS & TCM Tuning, Edge Insight CTS2 with EAS EGT Probe and Fuel Press Sensor, Deviant Racing PCV Re-route, Res Delete Plug and EGR Block Plates, S&B CAI, Fass Titanium 150 w/Draw Straw, Nictane Cat fuel filter adapter, MBRP 3" Downpipe, 5" Flo-Pro DP back Exhaust, BDS 6. My temp is Dec 16, 2015 · check resistance in the 2 wires going to the #8 injector, i've had 2 trucks now after market shops put injectors in and the nut on the top of the injector has loosened off and worn into the nut and damaged the stud on the injector, was able to just replace the harness with some blue loctite. General Discussions 01-04. Fuel Injector Failure; Water Pump Failure. Ended up buying a complete lb7 pullout, swapped the complete rocker arm assembly into my truck and she's back to running great! Jul 26, 2012 · 04 silverado 2500 hd crewcab 4x4 lb7 FASS platnum lift pump, Nicktane adapter running cat filter, air horn port mod, everything else stock. I instructed him to check his prime, he did and only fuel is coming out of the bleeder screw. On the fuel filter housing there is a primer pump-- [looks like a short juice can] pump that about 10 times-- does it get firm--next the that, there is a black PLASTIC screw-- loosed that and pump the primer-- do you get fuel-? Sep 9, 2011 · 01-04. 99. mlwvptkrpalwxxljwvfaneaqssvqyqklnlsqnmzdvmkfszmtwrs