Thanks for the quick response. I checked the vapor canister purge valve and seemed
to be in good order. Makes total sense to go to the back. I don't have a scanner. I'll probably order the vent valve OEM, replace it and watch for pellets.
Gentlemen, how would you start problem solving this without replacing everything? Gas is back flowing on last couple of trips to the gas station. No error codes except "tighten gas cap". 2011 Tahoe LT w/3inch body lift. TIA
Gentlemen, how would you start problem solving this without replacing everything? Gas is back flowing on last couple of trips to the gas station. No error codes except "tighten gas cap". This thread was very helpful. 2011 Tahoe LT w/3inch body lift. TIA
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