Q: Vent Valve Solenoid

asked by on April 14, 2017

the check engine light is on I have had it tested it gets a P0440code reading. I have replaced the gas cap with the gas cap that goes to my make and model of car but the light won't go out It has the smoke in the lines a couple of times they can't find anything I am do for an emission test soon and worried it won't pass

My car has 98000 miles.
My car has an automatic transmission.

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