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Home >> Mazda >> 2021 >> CX-30 Turbo Premium >> Repair and Diagnosis >> External Pages >> Different car >> Section 89 (Engine Mechanical System (VIN L)) >> Oil Control Valve (OCV) Inspection >> Hydraulic Variable Valve Timing Control System Operation Inspection >> When idling cannot be continued

When idling cannot be continued

WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the OCV. (See OIL CONTROL VALVE (OCV) REMOVAL/INSTALLATION .)
  2. Verify that the spool valve is at maximum advanced position.
    G11436769Courtesy of MAZDA MOTORS CORP.
  3. Connect the OCV connector.
  4. Switch the ignition ON (engine off).
  5. Verify that the spool valve is at the maximum advanced position.
    • If the spool valve is stuck in the retard direction, inspect for the following:
      • Short circuit in wiring harnesses or connectors between OCV and PCM
  6. Inspect the hydraulic variable valve timing actuator. (See HYDRAULIC VARIABLE VALVE TIMING ACTUATOR INSPECTION .)
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