Hello everyone! Well my car gave me a code last week and I cleared it and wanted to see if it would come back. Unfortunately it did, P0496 Evap High Purge Flow. Any common fixes for this on these cars? I have an 04 with a 3800, from what I heard before it can be the gas cap, fuel tank pressure sensor, or the vent solenoid i think its called. Any help is appreciated! Thanks
For high purge flow it is usually due to a stuck open EVAP canister purge solenoid valve. None of the other things mentioned would fix this. This is because their is a vacuum always being applied to the evap system.
Hey Bart! Thanks for responding, is the part you mentioned on top of the engine and has a plastic line that goes into what looks like the throttle body? Thanks!
Having the same code/issue on a 2013 Impala. Purge valve is back by the gas tank filler neck correct??
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