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Home >> Buick >> 1987 >> Electra Base >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> CCC Theory/Operation >> Operation >> Fuel Control Operation (Fuel Injected Models) >> Throttle Body Injection

Throttle Body Injection

An electrically pulsed injector(s) is located in the intake manifold throttle body unit. The ECM controls the injector "on" time (pulse width) to provide the proper amount of fuel to the engine.