GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

An 8 digit part identification number is on a mylar label affixed to the fuel meter body assembly. Refer to this number if servicing or part replacement is required.

  1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief .
  2. Remove the upper intake manifold assembly. Refer to Upper Intake Manifold Replacement in Engine Mechanical.
  3. Notice: Do not use any solvent that contains Methyl Ethyl Ketone (MEK). This solvent may damage fuel system components.

  4. Before removal, clean the fuel meter body assembly with a spray type engine cleaner, GM X-30A, if necessary. Follow the package instructions. Do not soak fuel meter body assemblies in liquid cleaning solvent.

  5. Object Number: 12860  Size: SH

    Notice: Cover the injector sockets in order to prevent dirt and other contaminants from entering the open fuel passages.

    Important: When disconnecting the poppet nozzles, remember the sequence in order to ensure correct poppet nozzle placement to each cylinder.

  6. Squeeze the poppet nozzle locking tabs together while lifting the nozzle out of the casting socket.

  7. Object Number: 12867  Size: SH
  8. Remove the fuel meter body from the bracket by releasing the lock tabs on the bracket.

Installation Procedure


    Object Number: 12867  Size: SH
  1. Install the fuel meter body in the intake manifold.
  2. Push the fuel meter body into the bracket. Make sure all of the tabs are locked into place.
  3. Caution: Verify that the poppet nozzles are firmly seated and locked in their casting sockets in order to reduce the risk of fire and personal injury. An unlocked poppet nozzle could work loose from its socket and produce a fuel leak.

    Important: The fuel meter body assemblies are numbered to indicate poppet nozzle order.

  4. Push the poppet nozzles into the casting sockets.
  5. Inspect the poppet nozzles in order to ensure they are firmly seated and locked in the casting sockets.
  6. Install the upper intake manifold assembly. Refer to Upper Intake Manifold Replacement in Engine Mechanical.
  7. Connect the negative battery cable.
  8. Inspect for leaks.
  9. 7.1. Turn ON the ignition, with the engine OFF for 2 seconds.
    7.2. Turn ON the ignition for 10 seconds.
    7.3. Turn ON the ignition, with the engine OFF.
    7.4. Inspect for fuel leaks.
  10. Install the engine cover. Refer to Engine Cover Replacement in Interior Trim.