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Home >> Chevrolet >> 2004 >> Optra Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 1.8L (L79) - Repair Instructions >> Repair Instructions >> Manifold Absolute Pressure Sensor Replacement >> Removal Procedure
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Removal Procedure

    Fig 1: View Of Manifold Absolute Pressure (MAP) Sensor And Retaining Bolt
    GM1256161Courtesy of GENERAL MOTORS CORP.
    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. 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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