Mechanics

TUNE-UP

2000 Chevrolet Prizm • FWD Automatic •

I changed my spark plugs on my chevy 2000 prizm and found oil on the plugs what causes this to happen.
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Alkirb
February 14, 2011.



That would be due to a leaking valve cover gasket. It seals around the spark plug tubes.

Wrenchtech
Feb 14, 2011.