FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Gas














SYMPTOM
P0441-EVAP PURGE FLOW MONITOR

WHEN MONITORED
With engine temperature greater than 170° F, fuel control in closed loop, engine idling for 2 minutes, no low fuel, MAP less than 15.7 inches mercury and barometnc altitude less than 8,000 feet.

SET CONDITION
After having passed the Leak Detection Pump (LDP) test, no air flow through the evaporative system is detected by the EVAP monitor.

POSSIBLE CAUSES
- EVAP CANISTER
- Vehicle History And Service Bulletin Investigation
- Wiring Harness Intermittent
- Evap Purge Hose (Canister To Fuel Tank)
- Evap Purge Hose (Solenoid To Canister)
- Evap Purge Solenoid Vacuum Supply
- Evap Purge Solenoid (Leaky/Stuck Open)
- Evap Purge Solenoid (Stuck Closed)