I have a check engine light, code given is P0442 small evap leak, I've change the evap purge solenoid and the gas cap. Dealer diagnosed it as the evap vent valve being stuck open. Where is the evap canister and vent valve located on a 2014 Impala? How big of a job is it?
My car has 64000 miles.
My car has an automatic transmission.
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