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Home >> Isuzu >> 2004 >> Ascender S, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls (Introduction) - 4.2L >> Repair Instructions >> Knock Sensor (KS) Replacement >> Removal Procedure
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Removal Procedure

  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Fig 1: Locating Knock Sensor Components
    GM727528Courtesy of GENERAL MOTORS CORP.
  3. Remove the knock sensor harness connector (4).
  4. Remove the knock sensor retaining bolt (3).
  5. Remove the appropriate knock sensor (1 or 2).