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SYMPTOM
P0455-EVAP LEAK MONITOR LARGE LEAK DETECTED
TEST NOTE
This symptom is diagnosed using the test P0442-EVAP LEAK MONITOR MEDIUM (.040) LEAK DETECTED.
WHEN MONITORED
Immediately after a cold start, with battery/ambient temperature between 4 °C (40 °F) and 32 °C (90 °F) and coolant temperature within -12 °C (10 °F) of battery/ambient.
SET CONDITION
There is a leak larger than 0.080" in the evaporative system.
POSSIBLE CAUSES
* Confirmed leak in the EVAP system
* Intermittent LDP monitor failure
check that gas cap is tight.
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