1998 Ford Escort noise in oil fill cap

1998 FORD ESCORT
101,000 MILES • 4 CYL • FWD • AUTOMATIC
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ED MATTHEWS
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  • 1 POST
while car is running I take the oil fill cap off and there is air pressure in the motor and when I shut the motor off there is a hissing noise
Mar 31, 2009 at 3:59 PM
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BMRFIXIT
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If engine running fine and no check engine light
I would consider that is normal
Mar 31, 2009 at 10:06 PM