Mechanics

SKIPPING ON #4 CYLINDER

2000 GMC Van

Engine Performance problem
2000 GMC Van V8 Two Wheel Drive Automatic

5.7 motor, 2500 GMC van year model 2000, replaced intake gasket and lifters, now it's skipping on #4 cylinder, over 100 lbs compression on the cylinder, got fire
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Mustangbonita
February 26, 2010.




Hi there,

Could be a vacuum leak, faulty injector or an intermittent ignition problem, you will have to check through one at a time.

Mark (mhpautos)

Mhpautos
Feb 27, 2010.


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