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Home >> Mazda >> 2011 >> 3 Mazdaspeed, 2.3 4 >> Repair and Diagnosis >> Engine Performance >> System >> Symptom Troubleshooting [Engine Mechanical L3 With TC] >> Engine Control System Operation Inspection >> Drive-by-wire Control System Inspection >> Variable Valve Timing Control System Operation Inspection >> When idling cannot be continued

When idling cannot be continued

  1. Remove the OCV and verify that the spool valve is at maximum retard position. (See OIL CONTROL VALVE (OCV) REMOVAL/INSTALLATION ).
  2. Connect the OCV.
  3. Switch the ignition to ON.
  4. Verify that the spool valve is at the maximum retard position.
    • If the spool valve is stuck in the advance direction, inspect for the following:
      • Short circuit in wiring harnesses or connectors between the OCV and the PCM
  5. Inspect the variable timing actuator.
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