How many ohms does a Duramax fuel injector have?
Working quickly before the cylinder heads warmed up, we removed the FICM connectors and repeated the pin test. Sure enough, #5 fuel injector measured well under specification at 0.2 ohms while the remaining seven injectors measured their normal 0.3 ohms.
Why is my Duramax injector not working properly?
This problem is caused by a poorly designed metal mount for the harness and requires a thorough inspection of the FICM harness where it passes behind the alternator. The previous shop had obviously been aware of this TSB and had taken the harness apart for inspection.
How much does it cost to replace a Duramax injector?
The recommended resale from my supplier on these remanufactured injectors is about $1,600 for the set of four. Replacing all four injectors required removing both right- and left-bank rocker arm covers and the overlay of wiring harnesses and ducting covering of each.
How can I tell if my injectors are stuck?
The injectors that are stuck open will still allow fuel to enter the cylinder. This fuel will spray out the glowplug hole. All this test will do is show you which injectors may be sticking. You may see the glowplug saturated when you remove it.
How is return rate of Duramax injector determined?
Return rates is the amount of fuel each injector returns to the tank during a 15 second cranking cycle, and involves a test set with 4 graduated cylinders to perform as well as some engine teardown to perform it. return rates are a much more accurate test of injector health since 01-10 DURAMAX injectors are a pressure differential valve.
Working quickly before the cylinder heads warmed up, we removed the FICM connectors and repeated the pin test. Sure enough, #5 fuel injector measured well under specification at 0.2 ohms while the remaining seven injectors measured their normal 0.3 ohms.
This problem is caused by a poorly designed metal mount for the harness and requires a thorough inspection of the FICM harness where it passes behind the alternator. The previous shop had obviously been aware of this TSB and had taken the harness apart for inspection.
What are the injectors on a GMC diesel?
The fuel pressure regulator in the high pressure pump and the pressure regulating valve in the rail control rail pressure. The injectors have a piezo stack instead of an electro-magnetic solenoid.
How long does it take to replace a Duramax injector?
Replacing all four injectors required removing both right- and left-bank rocker arm covers and the overlay of wiring harnesses and ducting covering of each. Quoting from one source, the labor time for removing and replacing both covers is about 9.2 hours for “severe service” cases.
What causes DTCs on Duramax diesel injector set?
First address any vehicle or engine vibrations or any other vehicle conditions. Vehicle vibrations, such as those created by “knobby” or aggressive tread tires may induce or aggravate the injector timing-related DTCs. After addressing any vibration conditions, clear the DTCs and return the vehicle.
What causes a Duramax injection pump to fail?
As a result (allegedly), the lack of lubrication in the fuel can cause a premature failure of the injection pump, to a point where it won’t allow the LML Duramax to run. You can be driving down the road and everything seems normal, and when the pump fails, the truck just shuts off.
What kind of injector does a GM 6.6L Duramax use?
Maximize the performance of the stock injectors in your 2006-2007 GM 6.6L Duramax with the DDP LBZ-50NZ 50HP Injector Nozzle Set (20% Over). No other upgrades provide you with the power and torque that a set of Dynomite Diesel Injector Nozzles can.
When to replace the fuel injector on a Duramax LBZ?
Replace the failed injectors in your 2006-2007 GM 6.6L Duramax LBZ with the Bostech DE01368 Platinum Series Remanufactured Fuel Injector. The Platinum Series is a step up from the Bostech Silver Series.
Are there any bad injectors in GM trucks?
From buying research to owner support, join 1.5 MILLION GM Truck Enthusiasts every month who use GM-Trucks.com as a daily part of their ownership experience. I took my truck in this morning because the check engine light came on. Dealer said it was 3 bad injectors that had to be replaced. Has anyone had this problem? Could it be AFM related?
Can a Duramax be used in a GMC Sierra 1500?
For instance, we can control the engine block and the engine head separately to maximize the effectiveness of the cooling system,” Barta explains.