Rick's Free Auto Repair Advice

Posts Tagged: symptoms of a bad purge valve

Symptoms of a bad purge valve

Symptoms of bad purge valve Here are the symptoms of a bad purge valve. A purge valve is a part of the Evaporative Emissions System. The EVAP system captures fuel vapor as the fill the tank and stores the vapors in a charcoal canister during fill up. When you start the vehicle, a solenoid purge valve opens and allows engine vacuum to suck the gas vapors out of the charcoal canister. At the same time, a vent valve opens, allowing outside air into the canister to replace the fuel vapors. … Read More


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