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Home >> Acura >> 2009 >> CSX Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> PGM-FI System >> ECT Sensor 1 Replacement
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ECT Sensor 1 Replacement

  1. Drain the engine coolant (see COOLANT CHECK ).
  2. Remove the air cleaner (see AIR CLEANER REMOVAL/INSTALLATION ).
  3. K20Z2 engine: Remove the EGR valve (see EGR VALVE REPLACEMENT ).
  4. Disconnect CMP sensor A connector (A), and CMP sensor B (B).
    Fig 1: Identifying CMP Sensor And Harness Cover
    G06264638Courtesy of AMERICAN HONDA MOTOR CO., INC.
  5. Remove the harness cover (C).
  6. Disconnect ECT sensor 1 connector (A).
    Fig 2: ECT Sensor 1 Connector With Torque Specifications
    G06264639Courtesy of AMERICAN HONDA MOTOR CO., INC.
  7. Remove ECT sensor 1 (B).
  8. Install the parts in the reverse order of removal with a new O-ring (C), then refill the radiator with engine coolant (see COOLANT CHECK ).