HG2 - PCV System Check
- Start engine and bring to normal operating temperature.
- Disconnect hose from remote air cleaner or air outlet tube (tube connecting mass air meter and throttle body).
- Place a stiff piece of paper over the hose end. Wait one minute.
- Does vacuum hold the paper in place?
YES -- System is OK. RECONNECT hose. GO to Symptom Flowcharts for other possible causes of vehicle symptoms. Testing and Inspection
NO -- System is plugged or Evaporative Emission Valve is leaking (if equipped). GO to HG3. HG3 - Evaporative Emission System Check