Monitored & Set Conditions

EVAP purge flow is monitored after engine warms up to more than 160°F (71°C) in closed loop mode, at idle for 2 minutes, Manifold Absolute Pressure (MAP) at less than 23.6 in. Hg, and altitude at less than 8000 feet. DTC will set in Powertrain Control Module (PCM) memory when PCM senses no airflow through Evaporative Emission (EVAP) system. Possible causes for DTC to set are: intermittent condition, EVAP purge solenoid contaminated, defective EVAP canister, defective EVAP purge solenoid, damaged or plugged vacuum hoses.