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Home >> Chevrolet >> 2018 >> Equinox L >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Controls And Fuel - 2.0L (LTG) - Diagnostic Information And Procedures (P0010 - P0333)) >> Diagnostic Information And Procedures >> DTC P0324, P0326, P0331, P06B6 Or P06B7: Knock Sensor >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Engine Running.
  2. Verify DTC P0325, P0327, P0328, P0330, P0332, P0333, P06B6 or P06B7 is not set.
    • If only DTC P06B6 or P06B7 is set 

      Replace the K20 Engine Control Module.

    • Go to next step: If none of the DTCs are set 
  3. Ignition OFF.
  4. Verify none of the conditions listed below exist:
    • B68 Knock Sensor or wiring harness damage.
    • Incorrect B68 Knock Sensor installation. Refer to Fastener Specifications .
    • B68 Knock Sensor and engine mounting surface burrs, casting flash, and foreign material.
    • Close proximity of hoses, brackets, and engine wiring.
    • Loose brackets.
    • Loose or broken accessory drive belts, brackets, components.
    • An engine mechanical condition. Refer to Symptoms - Engine Mechanical .
    • Contaminated or poor quality fuel.
    • If a condition exists 

      Repair or replace as necessary.

    • Go to next step: If no conditions exist 
  5. Operate the vehicle within the conditions for running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
    • If the DTC sets 

      Test or replace the appropriate B68 Knock Sensor.

    • Go to next step: If the DTC does not set 
  6. All OK.
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