P0455

Tests 1 - 2:

Test 3:

Tests 4 - 5:

SYMPTOM
P0455 - EVAP LEAK MONITOR LARGE LEAK DETECTED

TEST NOTE
This symptom is diagnosed using the test P0442 - EVAP LEAK MONITOR SMALL LEAK DETECTED.

WHEN MONITORED
See DRB III

SET CONDITION
See DRB III.

POSSIBLE CAUSES
- EVAP system hoses or wiring damaged
- EVAP system component leaking
- Leak detection pump leaking
- EVAP leak monitor small or large does not reoccur