P0441

* 49 States and Canada

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The scan tool indicates Diagnostic Trouble Code (DTC) P0441: Evaporative Emission (EVAP) control system insufficient purge flow.

Description
By monitoring the vacuum of the purge line with the EVAP purge flow switch, the ECM can detect insufficient EVAP control system purge flow.

Possible Cause
- EVAP Purge Control Solenoid Valve
- EVAP Purge Control Solenoid Valve Circuit
- EVAP Purge Flow Switch
- EVAP Purge Flow Switch Circuit
- Throttle Body (purge port)
- Tubing
- ECM