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Home >> Mazda >> 2021 >> CX-3 FWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Crankshaft Position (CKP) Sensor Inspection >> Visual Inspection
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Visual Inspection

CAUTION:
  • When replacing the CKP sensor, make sure there is no foreign matter on it such as metal shavings. If it is installed with foreign matter, the sensor output signal will malfunction resulting from fluctuation in magnetic flux and cause a deterioration in engine control.
  1. Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION .)
  2. Lift up the vehicle.
  3. Remove the service hole cover (installed to front under cover No. 2). (See OIL FILTER REPLACEMENT .)
  4. Remove the CKP sensor. (See CRANKSHAFT POSITION (CKP) SENSOR REMOVAL/INSTALLATION .)
  5. Verify that there are no metal shavings on the sensor.
    • If there is a malfunction, remove any metal shavings that are adhering.