P0442

SYMPTOM
P0442-EVAP LEAK MONITOR MEDIUM (0.040) LEAK DETECTED

WHEN MONITORED
Immediately after a cold start, with battery/ambient temperature between 40 °F and 90 °F and coolant temperature within 10 °F of battery/ambient.

SET CONDITION
If there is a leak larger than 0.040" and smaller than 0.080" in the evaporative system.

POSSIBLE CAUSES
- Leak at Gas Cap
- Vehicle History and Service Bulletin Investigation
- Visual and Physical Inspection
- Verify Evaporative Emission Leak
- EVAP Purge Solenoid Operation
- Intermittent LDP Monitor Failure
- Evaporative Emission Leak Detection
- Gas Cap
- LDP Component Leak