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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 252 (Engine Controls - Removal & Installation) >> Sensors >> Fuel Tank Pressure Sensor >> Removal & Installation

Removal & Installation

WARNING: This page is about a different car, the 2003 Pontiac Grand Am and 2003 Oldsmobile Alero. However, it is still accessible from the selected car via links, so may be relevant.
  1. Fuel Tank Pressure (FTP) sensor is located on top of the fuel sender assembly. Release fuel system pressure. See FUEL SYSTEM PRESSURE RELEASE  .
  2. Disconnect negative battery cable.
  3. Remove fuel tank. See FUEL TANK  .
  4. Disconnect Fuel Tank Pressure (FTP) sensor harness connector.
  5. Remove fuel tank pressure sensor. See Fig 1 .
  6. To install, reverse removal procedure.
  7. Inspect for leaks by using the following procedure.
    • Turn ignition switch to RUN position, with the engine OFF for 2 seconds.
    • Turn ignition switch to OFF position for 10 seconds.
    • Turn ignition switch to RUN position, with the engine OFF.
    • Check for fuel leaks.
Fig 1: Identifying Fuel Sending Unit Assembly Components
G00112756Courtesy of GENERAL MOTORS CORP.