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Home >> Mazda >> 2005 >> MX-5 Miata Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Symptom Troubleshooting [Engine Control System BP, BP With TC) >> Engine Control System Operation Inspection >> Variable Valve Timing System Operation Inspection >> When idling cannot be continued
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When idling cannot be continued

  1. Remove the OCV (oil control valve) and verify that the spool valve is at maximum retard position.
    • If the spool valve is stuck in advance direction, replace the OCV (oil control valve).
  2. Connect the OCV (oil control valve) connector.
  3. Turn the ignition switch on.
  4. Verify that the spool valve is at maximum retard position.
    • If the spool valve is stuck in advance direction, inspect for the following.
      • Short circuit in harnesses or connectors between the OCV (oil control valve) and the PCM.
  5. Inspect the VVT (variable valve timing) actuator.
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