P0455

Test 1:

Test 2:

Test 3 - 4:

SYMPTOM
P0455-EVAP LEAK MONITOR LARGE LEAK DETECTED

TEST NOTE
This symptom is diagnosed using the 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
There is a leak larger than 0.080 inch in the evaporative system.

POSSIBLE CAUSES
- Good trip equal to zero
- Intermittent condition
- Verify evaporative emission system leak
- Evaporative emission leak detection
- EVAP purge solenoid