Genuine Acura TL Fuel Pressure Regulator

The Fuel Pressure Regulator in the Acura TL models gives the precise control of the fuel pressure in the vehicles' electronic fuel injection system. It is usually positioned on the fuel rail and it works through a spring and diaphragm affair that varies fuel delivery in relation to engine vacuum. In idle position, the regulator permits excess fuel to drop back to the tank but on increase of throttle, the vacuum decreases, thus limiting the return fuel flow to meet some pressure for the requirements of the engine. Acura TL Models have featured pressure reducing regulators as well as back-pressure regulators over the years of manufacturing. The primary distinction lies in their operation: pressure reducing regulators reduce the pressure of the upstream while back-pressure regulators sustain pressure at the upstream. OEM Fuel Pressure Regulator can work well in complex situations and larger injectors or high volume pumps may require adjustable regulators in performance tuning.

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