07 z71 crew - engine knocking
April 1st, 2009, 6:57 PM
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07 z71 crew - engine knocking
I have a silverado crew z71 4x4 and when I stop and go from stop sign / red light and I don't gun it I am getting a rattling or knocking noise from the engine.
I have this set up- VORTEC 5.3L V8 SFI GAS ENGINE W/ ACTIVE FUEL MGT TECHNOLOGY
Any thougths? Any fixes like an engine treatment.
I use 99.9% Exxon regular gas so it's not like i'm going cheap on the gas.
thanks
I have this set up- VORTEC 5.3L V8 SFI GAS ENGINE W/ ACTIVE FUEL MGT TECHNOLOGY
Any thougths? Any fixes like an engine treatment.
I use 99.9% Exxon regular gas so it's not like i'm going cheap on the gas.
thanks
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