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Home >> GMC >> 1991 >> Value Van 7.4 N >> Repair and Diagnosis >> External Pages >> Different car >> Section 45 (Engine Controls - Theory & Operation - 3.3L Gasoline) >> Fuel System >> Fuel Control >> Fuel Injectors

Fuel Injectors

WARNING: This page is about a different car, the 1995 Plymouth Voyager, 1995 Plymouth Grand Voyager, 1995 Dodge Grand Caravan, and 1995 Dodge Caravan. However, it is still accessible from the selected car via links, so may be relevant.

Fuel injectors are electric solenoid valves controlled by PCM. PCM determines when and length of time injectors should operate by switching ground path on and off. During start-up, battery voltage is supplied to injectors through Automatic Shutdown (ASD) relay.

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