Causes and Fixes P0497 Code: Evaporative Emission System Low Purge Flow

How to fix P0497 Code: Evaporative Emission System Low Purge Flow
A P0497 error code is set when the computer (ECM/PCM) detects the EVAP (Evaporative control) system is not purging correctly.

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The EVAP system sends fuel vapors from the gas tank to the engine to be brunt away, so they don't escape into the atmosphere.

Common causes include a faulty EVAP pressure sensor, purge valve solenoid, restricted charcoal canister, and damaged vacuum lines.

Possible Causes of a P0497 Code:
Bad Purge Valve or Wiring
Bad Charcoal Canister
Bad Pressure Sensor (Will usually give other code)
EVAP Leak (Will usually give other codes.)

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