2000 GMC Van skipping on #4 cylinder

2000 GMC VAN
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MUSTANGBONITA
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  • 1 POST
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
Feb 26, 2010 at 3:18 PM
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MHPAUTOS
  • ✓Experienced Mechanic
  • 31,937 POSTS
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)
Feb 26, 2010 at 8:27 PM
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