The Best Canister Purge Valve Check Engine Light Ideas. Web check engine light on: I noticed when i was replacing it that it must have been replaced once before because it was not the oem part (my new one is the oem part.) the purge valve has not worked for probably 20,000 miles.
A check engine light can be caused by many different problems. This valve is part of the evaporative (evap) emission control system. Web a failing vapor canister purge valve may cause the check engine light to illuminate.
