Removal (Model 700)

Relieve fuel pressure. See FUEL SYSTEM PRESSURE RELIEF (TBI) under FUEL SYSTEM (GASOLINE). Remove fuel injector retainer screw and retainer. Using screwdriver and fulcrum on side of injector opposite connector terminals, carefully pry injector out. See Fig 1. Remove upper and lower "O" rings and discard.

Fig 1: Removing Throttle Body Injector

Courtesy of GENERAL MOTORS CORP.