Fuel Injector: Service and Repair

FUEL INJECTION SUPPLY MANIFOLD AND FUEL INJECTOR

REMOVAL
1. Remove the upper intake manifold.
2. Disconnect the fuel tube spring lock couplings.







3. Disconnect the fuel injection pressure (IPR) sensor electrical and vacuum connectors.







4. Disconnect the fuel electrical connectors.







5. NOTE: Remove the fuel injection supply manifold and the fuel injectors as an assembly.

Remove the bolts and the fuel injection supply manifold.







6. Remove the fuel injectors from the fuel injection supply manifold.







7. Inspect the O-ring seals from each fuel injector. Install new O-ring seals as needed.

INSTALLATION

1. NOTE: Lubricate the O-ring seals with clean engine oil to aid installation.

To install, reverse the removal procedure.