Diagnostic Trouble Code
P0441 — EVAP Emission Control System Incorrect Purge Flow
EVAP Emission Control System Incorrect Purge Flow
Definition
The EVAP system purge flow is not within the expected range. The purge valve should allow a controlled amount of fuel vapor to flow from the charcoal canister to the intake manifold.
Common Causes
- Faulty purge solenoid valve (stuck open or closed)
- Vacuum line leak or blockage
- Faulty EVAP pressure sensor
- Charcoal canister saturated