P0441

Tests 1 - 2:

Tests 3 - 5:

SYMPTOM
P0441 - EVAP PURGE FLOW MONITOR

WHEN MONITORED
With engine temperature greater than 170 °F, engine in closed loop, engine idling for 2 minutes, no PTO in use, no low fuel, vacuum greater than 9.7 inches 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
- Purge solenoid
- Vacuum hoses damaged or plugged
- EVAP purge monitor failure does not reoccur