2003 E500 Vapor Recovery Canister Problem
I have a 2003 E500 with a problem with the vapor recover system. Car sets a vapor recovery leak code. Car does not hold pressure in the gas tank. I smoke tested the system and the leak showed up at the vapor recovery tank vent to atmosphere. Not sure how the system is supposed to work but I think a check valve in the recovery system is bad and is not letting the system hold any pressure. I manually closed the vent and pressured the system up and it did hold pressure. Does anyone know how much pressure the vapor recovery system for this car is supposed to hold? Am I looking at replacing the vapor recovery tank to fix this problem?
Thanks John
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