Fuel Injector Replacement
Fuel Injector:
REMOVAL
1. Disconnect the negative battery cable and remove the fuel rail.
2. Remove the fuel injector lock clip, and slide the injector straight out of the fuel rail cup.
3. Check each injector O-ring for damage and replace any damaged O-rings prior to reinstallation. If the injector is to be re-used, place a protective cap over the injector tip, while it is removed.
INSTALLATION
1. Before installing injectors lubricate the O-ring with a drop of clean engine oil.
2. Install injector top into fuel rail cup.
3. Install injector lock clip by sliding open end into injector slot, and onto the fuel rail cup side slots.
4. Install fuel rail and connect the negative battery cable.
5. On early model vehicles turn the key to the ON position to pressurize the system and check for leaks. On late model vehicles use the DRB II to select the Automatic Shut Down (ASD) Fuel System Test to pressurize fuel system and check for leaks.
CAUTION:Unless the test is stopped or the ignition switch is turned to the OFF position the fuel pump relay and the ASD relay will remain energized for 7 minutes by the ASD Fuel System Test.