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Home › Chevrolet › 2008 › Optra LS, Automatic › Repair and Diagnosis › Engine Performance › System › Engine Controls And Fuel - 1.8L (L79) › Repair Instructions › Manifold Absolute Pressure Sensor Replacement › Removal Procedure

Removal Procedure

    CAUTION: Refer to Battery Disconnect Caution .
  1. Disconnect the negative battery cable.
  2. Disconnect the fuel rail. Refer to Fuel Injection Fuel Rail Assembly Replacement .
    3. Fig 1: View Of Manifold Absolute Pressure (MAP) Sensor And Retaining Bolt
    GM1256161Courtesy of GENERAL MOTORS CORP.
  3. Disconnect the manifold absolute pressure (MAP) sensor connector from the MAP sensor.
  4. Remove the MAP sensor retaining bolt.
  5. Remove the MAP sensor from the intake manifold.
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