1988-1998 GM Full-Size Trucks Fuel Injectors Removal and Installation

GM Full-Size Trucks 1988-1998 Repair Information

Fuel Injectors


See Figures 1 and 2

1. Disconnect the negative battery cable.

2. Relieve the fuel system pressure.

3. Disengage the fuel meter body electrical connection and the fuel feed and return hoses from the engine fuel pipes.

4. Remove the upper manifold assembly.

Fig. Fig. 1: Exploded view of the CSFI fuel meter body assembly

5. Tag and remove the poppet nozzle out of the casting socket.

6. Remove the fuel meter body by releasing the locktabs.

Each injector is calibrated. When replacing the fuel injectors, be sure to replace it with the correct injector.

7. Disassemble the lower hold-down plate and nuts.

8. While pulling the poppet nozzle tube downward, push with a small prytool down between the injector terminals and remove the injectors.

To install: ... Download File PDF

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