Component Testing
IMPORTANT:
The EVAP vent solenoid valve will not remain closed when commanded ON with positive pressure applied to the EVAP system.
- Disconnect the EVAP vent line from the vent solenoid.
- With a scan tool command the EVAP vent solenoid valve ON, (closed).
- With a hand held vacuum pump, apply vacuum to the EVAP vent solenoid valve port. The vacuum should not decrease.
- If the vacuum decreases, replace the EVAP vent solenoid valve.
IMPORTANT:
The EVAP vent solenoid valve will not remain closed when commanded ON with positive pressure applied to the EVAP system.