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Question

what causes oil to blow through the air filter in 1996 sunfire

Submitted: 373 days and 19 hours ago.
Category: Pontiac
Value: $9
Status: AWAITING CUSTOMER ACTION
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Optional Information

1996 Pontiac

Already Tried:
i have changed starter because it would crank then if it(starter) gets hot it won't turn until it cools down, changed oil, changed spark plugs

Posted by tech364 373 days and 19 hours ago.

Answer

welcome to JA, i will try to help. the only two things that come to mind is either a PCV valve bad which is the least expensive or an internal engine problem(piston rings bad). if you have no issues with driveability i would try the PCV valve.

373 days and 19 hours ago.

Reply

i have no drivable problems it will drive but i had went to an automotive store and he told me there is no pcv valve for 1996 sunfire 2.4l

Posted by tech364 373 days and 19 hours ago.

Answer

yes he is right i have researched and the engine does not use one. i would have a cylinder leakdown test and a compression test performed, it sounds like it may be blowby from the engine.

373 days and 18 hours ago.

Reply

if the heads be replaced do think it will solve the problem

Answer

the test for cylinder leakdown and compression will determine if it is in the head or the piston rings.

tech36439883.8926556713

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Expert: tech364
Pos. Feedback: 100.0 %
Accepts: 31
Answered: 3/11/2009

ASE Certified Technician

worked at a GMC,Cadillac,Pontiac dealer, GM trained in all models

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