Throttle Body Injector (TBI): Removal
- Relieve fuel pressure. See FUEL SYSTEM PRESSURE RELIEF (TBI) under FUEL SYSTEM. Remove throttle body cover, leaving cover gasket in place. Using screwdriver and fulcrum, pry injector out. See Figure . Remove small "O" ring from nozzle end of injector.
- Carefully rotate injector fuel filter back and forth to remove fuel filter from base of injector. Remove and discard throttle body cover gasket. Remove large "O" ring and steel back-up washer from top counterbore of throttle body injector cavity.