Are there any issues with the LB7 injectors?
The original injectors that came in these trucks had all sorts of issues with cracking. The symptoms are constant smoke at idle and gaining fuel in the oil. Unfortunately the best thing to do if you have this problem is to replace the whole set at once.
What are the problems with the Duramax LB7?
One thing the ’01-’04 LB7 Duramax is notorious for is injector failure. The two primary failure points of the factory injectors are internal cracking of the injector body itself and corrosion-induced failure of the internal ball seat.
What kind of pump does the LB7 engine use?
The LB7 uses a 23,000psi rail along with a Bosch CP3 injection pump, also known as a high pressure fuel pump. Aside from the carbon buildup caused by DI, the fuel injectors themselves are also very common failure points, even on non-GM engines. The LB7 injectors had two potential design flaws that could cause injector failure.
Why does my 04 LB7 engine not start?
Now engine wont start anymore. Went to start my 04 LB7 this morning to let it warm up before going to work. As I shut the door and walk away, the engine died. I tried to fire it back up but it just spins over and doesnt start. The truck has 144k, has about 3.5k on new injectors installed by dealer, fuel filter was replaced around the same time.
The original injectors that came in these trucks had all sorts of issues with cracking. The symptoms are constant smoke at idle and gaining fuel in the oil. Unfortunately the best thing to do if you have this problem is to replace the whole set at once.
Are there any issues with the 2001 to 2004 GM LB7?
Once you have the injectors crossed off the to-do list, there aren’t a ton of major issues that plague the 2001 to 2004 GM’s, but there are several smaller ones which you should be aware of if you own or plan to own an LB7, and the next most common issue lies with the transmission.
Where are the injectors in a Duramax Diesel?
The injectors are buried underneath the rocker covers, and there are about a dozen other parts in the way.
How to repair a LB7 6.6 Duramax engine?
We carry a full line of repair and performance parts for these engines that we install in our shop on a regular basis. Odds are we have run across your problem before and would be glad to help. Call us at 1-877-367-9351.
What kind of fuel injector do I need for my Duramax LB7?
The Bostech DE01351 Platinum Series Remanufactured Fuel Injector is a step up from the Silver Series Injectors for your 2001-2004 GM 6.6L Duramax LB7. Like all Bostech Remanufactured Injectors, each unit is 100% disassembled, inspected, polished, and certified to OE specs with all mating surfaces lapped to a precision finish.
What is the BD-power 1714502 stock performance plus fuel injector?
The BD-Power 1714502 Stock Performance Plus Fuel Injector increases power and performance in your 2001-2004 GM 6.6 Duramax LB7. Built from OE quality remanufactured injectors, each injector has been remanufactured and tested to stringent specifications to ensure functionality and performance.
What kind of fuel injector does a Ford 6.0L use?
Features:Cleans Injector Bore and Injector SeatFits 6.0L/6.4L and 6.7L Powerstroke, Duramax Engines and More (see below)Application Note:2003-2016 Ford 4.5L, 6.0L, 6.4L, 6.7L Powerstroke Engines2003-2014 Navistar VT365, VT275, MaxxForce 5 and 72001-2016 GM 6.6L Duramax