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Home >> Mazda >> 2012 >> 3 s Touring, 4D Hatchback, 2.5L Eng VIN 9, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System [MZR 2.0, MZR 2.5] >> Camshaft Position (CMP) Sensor Inspection >> Visual Inspection
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Visual Inspection

CAUTION:
  • When replacing the CMP sensor, make sure there is no foreign material on it such as metal shavings. If it is installed with foreign material, the sensor output signal will malfunction resulting from fluctuation in magnetic flux and cause a deterioration in engine control.
  1. Remove the battery cover. (See BATTERY REMOVAL/INSTALLATION [MZR 2.0, MZR 2.5] .)
  2. Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZR 2.0, MZR 2.5] .)
  3. Remove the plug hole plate. (See PLUG HOLE PLATE REMOVAL/INSTALLATION .)
  4. Disconnect the CMP sensor connector.
  5. Remove the CMP sensor. (See CAMSHAFT POSITION (CMP) SENSOR REMOVAL/INSTALLATION .)
  6. Verify that there are no metal shavings on the CMP sensor.
    • Remove any metal shavings that are adhering.
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