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Home >> Buick >> 1984 >> Regal Base, 4D Sedan, 4.1 4 >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - Multi-Point >> Description >> Fuel System
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Fuel System

The fuel system provides a constant, pressurized supply of clean fuel to the cylinder intake port injectors. The fuel system consists of the throttle body, fuel tank, in-tank electric fuel pump, fuel pump relay, fuel pressure regulator, in-line fuel filter, fuel rail, injectors, and Idle Air Control (IAC) valve.

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