Fuel Injectors (TBI): Installation

Replace both "O" rings and lubricate before installing. Install injectors. Align raised lug on injector base with notch in throttle body cavity. Push down on injector until it is fully seated. Electrical terminals should be parallel with throttle shaft. 2) Install new throttle body outlet and cover gaskets. Install new pressure regulator dust seal. Install cover assembly and tighten screws to 27 INCH lbs. (3 N.m).

Fig 1: Exploded View of Throttle Body Injector Assy (2.8L & 3.1L)

Courtesy of ISUZU MOTOR CO.

Fig 2: Prying Fuel Injector From Throttle Body (2.8L & 3.1L) (Note Gasket Below Fulcrum)

Courtesy of ISUZU MOTOR CO.