Without Enhanced Evaporative Emission (EVAP) Control

PRELIMINARY STEPS
1. Remove Tank Pressure Control Valve from vehicle. Refer to Tank Pressure Control Valve / Service and Repair.

INSPECT
1. Connect a length of hose to black side of Tank Pressure Control valve.
2. Blow into hose; air should pass through the Tank Pressure Control valve.
3. Remove hose from black side and connect it to the orange side of the Tank Pressure Control valve.
4. Blow into hose; air should not pass through the Tank Pressure Control valve.

- If the Tank Pressure Control valve does not pass the above tests, replace the Tank Pressure Control valve.