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Working on friends car,2002 grand am found gas in the oil, why?

(2002 Pontiac Grand Am)
in Mattoon, IL on November 15, 2012
3.4l changed oil , next day found gas in oil again,i am baffeled, can you help
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Popular Answer
on November 15, 2012
Check for defective fuel pressure regulator. Remove vacuum hose to the reg.,, and see if gas is in hose.
if so reg. is shot.
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