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Piston/Cylinder Damage With No Blowby
Posted to HD/Fleet Forum on 4/14/2018 8 Replies

I have this LB7 Duramax in my shop. Long story short, the injectors were changed at a dealership. When the truck came to me the engine failed a relative compression test and a positive balance rate on cylinder #2. Cutting out #2 injector and the smoke stops. I... Login to read more.

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car Vehicle Data

2002 GMC Sierra 2500 HD 6.6L White Smoke From Tailpipe

Engine6.6 L
Trans5-speed Automatic (Electronic)
SymptomsWhite Smoke From Tailpipe

car Vehicle Data

2002 GMC Sierra 2500 HD 6.6L White Smoke From Tailpipe

Engine6.6 L
Trans5-speed Automatic (Electronic)
SymptomsWhite Smoke From Tailpipe