Monitored & Set Conditions
WARNING: This page is about a different car, the 2003 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.
EVAP system is monitored immediately after a cold start, with engine coolant temperature within 10°F (-12.2°C) of ambient/battery temperature, and ambient/battery temperature 40-90°F (4.4-32.2°C). DTC P0442 will set when there is a leak larger than 0.040" (1.02 mm) but smaller than 0.080" (2.03 mm) in the EVAP system. DTC P0455 will set when there is a leak larger than 0.080" (2.03 mm) in the EVAP system. DTC P0456 will set when there is a leak larger than 0.020" (0.50 mm) but smaller than 0.040" (1.02 mm) in the EVAP system.