Chrysler PT Cruiser 2001 Service Manual Supplement page 2586

DRIVEABILITY - GAS
Symptom List:
P0442-EVAP LEAK MONITOR MEDIUM (.040) LEAK DETECTED
P0455-EVAP LEAK MONITOR LARGE LEAK DETECTED
P0456-EVAP LEAK MONITOR SMALL (.020) LEAK DETECTED
Test Note: All symptoms listed above are diagnosed using the same tests.
The title for the tests will be P0442-EVAP LEAK MONITOR
MEDIUM (.040) LEAK DETECTED.
When Monitored and Set Condition:
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 and fuel level between 15% and 85%.
Set Condition: If there is a leak larger than 0.040 and smaller than 0.080 in the
evaporative system.
P0455-EVAP LEAK MONITOR LARGE 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 and fuel level between 15% and 85%.
Set Condition: There is a leak larger than 0.080 in the evaporative system.
P0456-EVAP LEAK MONITOR SMALL (.020) LEAK DETECTED
When Monitored: Immediately after a cold start, with battery/ambient temperature
between 4°C (40°F) and 32°C (85°F) and coolant temperature within -12°C (10°F) of
battery/ambient and fuel level between 15% and 85%.
Set Condition: If there is a leak larger than 0.020 and smaller than 0.040 in the
evaporative system.
CONFIRMED LEAK IN THE EVAP SYSTEM
INTERMITTENT LDP MONITOR FAILURE
POSSIBLE CAUSES
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