Mechanics

GMC SIERRA ENGINE PROBLEM

1996 GMC Sierra

Engine Performance problem
1996 GMC Sierra V8 Two Wheel Drive Automatic 55,000 miles

engine has a knocking when cold and slight load is put on it for about 1 mile of driving then goes away. Also, what are the fuel pressure low-hi specs for this engine.
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Caster
March 14, 2009.




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