GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1558059  Size: SH
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Disconnect the fuel tank pressure sensor electrical connector (1).

  3. Object Number: 1558061  Size: SH

    Important: There are alignment features on the canister, however, there are no locking tabs on the sensor/canister. The sensor is held into the canister by the tight fit of the multi-lip seal.

  4. Remove the fuel tank pressure sensor from the evaporative emission (EVAP) canister.

Installation Procedure


    Object Number: 1558061  Size: SH

    Important: There are alignment features on the canister, however, there are no locking tabs on the sensor/canister. The sensor is held into the canister by the tight fit of the multi-lip seal.

  1. Install the fuel tank pressure sensor to the EVAP canister until fully seated.

  2. Object Number: 1558059  Size: SH
  3. Connect the fuel tank pressure sensor electrical connector (1).
  4. Lower the vehicle.