P0441

Tests 1 - 3:

Tests 4 - 5:

SYMPTOM
P0441 - EVAP PURGE FLOW MONITOR FAILURE

WHEN MONITORED
With engine temperature greater than 170 °F, engine in closed loop, engine idling for 2 minutes, no low fuel, MAP less than 15.7 inches of mercury, and barometric altitude less than 8000 feet.

SET CONDITION
NOTE: with LDP: must pass stricter EVAP system test first. No air flow through the evaporative system is detected by the EVAP monitor.

POSSIBLE CAUSES
- Purge canister line damaged
- Purge solenoid and canister defective
- Purge solenoid defective
- Vacuum hoses damaged or plugged
- EVAP purge monitor failure does not reoccur