Evaporative Emission System Low Purge Flow

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The p0497 code, or evaporative emission system low purge flow, is indicative of a problem somewhere in the evap control system. What the p0497 code means when a vehicle sets the. Evaporative emission system low purge flow. The obd2 code information be applicable for buick.

The purge control solenoid valve (pcsv) is a device used to meter vapor flow to the engine. The engine control module controls the pcsv using a duty cycle signal. The ecm sets the obdii. The purge valve removes the fuel vapors from the activated charcoal in the evaporative emission control (eec) system if the control module detects a leak larger than a. Replacing the solenoid entirely. (p1457 code disappeared, but didn't clear p0497 after clearing all codes) 3: Checking for cracks or leaks along the tube to find nothing at all. The evaporative emission system (evap) canister purge volume control solenoid valve uses a on/off duty to control the flow rate of fuel vapor from the evap canister. The purge control solenoid valve (pcsv) is a device used to meter vapor flow to the engine.