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Home >> Mazda >> 2000 >> MPV DX >> Repair and Diagnosis >> External Pages >> Different car >> Section 364 (Symptom Troubleshooting (Engine Control System AJ)) >> Engine Control System Operation Inspection >> EVAP system leak inspection using WDS or equivalent >> Variable Valve Timing Control System Operation Inspection >> When idling can be continued >> For right bank
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For right bank

WARNING: This page is about a different car, the 2005 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect OCV (RH) connector.
  2. Warm up the engine and it at idle.
  3. Apply the battery voltage to the OCV and verify that the engine idles roughly or stalls.
    • If the engine idles roughly or stalls, inspect the timing belt component (valve timing deviation).
    • If the engine does not idle roughly or stall, go to the next step.
  4. Remove the OCV (RH) and perform spool valve operation inspection. (See OIL CONTROL VALVE (OCV) INSPECTION .)
    • If not as specified, inspect the following:
      • OCV (RH)
      • Harnesses and connectors between OCV (RH) and PCM have an open or short circuit.
    • If as specified, inspect the following right bank hydraulic passages for clogging or leakage, or both.
      • Oil pressure switch - OCV
      • OCV - camshaft
      • Camshaft internal passage
  5. If they are okay, replace the right bank camshaft pulley (with built-in variable valve timing actuator).
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