GAS fumes coming thru vents of my 2001 plymouth alero only at cold start

RoK

New member
ups ,no signs of leakage anywhere !!!? CHECKED OUT ALL HOSES GAS LINES, FUMES GO AWAY AFTER AN HOUR ,AND SMELL IS PURE GAS, SHOWS UP MOSTLY 4 OUT OF 7 DAYS
 

bandit_60

Member
i bet it,s like my car use to be. i had the back valve pan gasket leaking down on the manifold. the smell was worse when i turned on the heater.
 
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