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Home >> Mazda >> 2011 >> 6 s Touring Plus >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Control System [MZR 2.5]) >> Crankshaft Position (CKP) Sensor Inspection >> Air Gap Inspection

Air Gap Inspection

WARNING: This page is about a different variant/trim than selected.
  1. Verify that the CKP sensor is securely installed.
  2. Using a thickness gauge, measure the air gap between the plate projections at the back of crankshaft pulley and the CKP sensor.
    • If not within the specification, inspect the plate projections for cracks or bending.

    Air gap 

    0.5-1.5 mm {0.02-0.05 in} 

    Visual Inspection 

    1. Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION .)
    2. Perform the following procedure for easier access.
      1. Remove the aerodynamic under cover No. 2. (See AERODYNAMIC UNDER COVER NO. 2 REMOVAL/INSTALLATION .)
      2. Remove the splash shield. (See SPLASH SHIELD REMOVAL/INSTALLATION .)
    3. Disconnect the CKP sensor connector.
    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.