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Home >> Chevrolet >> 2015 >> Cruze LT, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 81 (Engine Controls And Fuel - 1.4L (LUJ LUV) - Description And Operation) >> Description and Operation >> Fuel System Description (LUJ) >> Fuel Pressure Regulator Assembly

Fuel Pressure Regulator Assembly

WARNING: This page is about a different car, the 2015 Chevrolet Trax and 2015 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.

The fuel pressure regulator is a diaphragm relief valve. The diaphragm has fuel pressure on one side and regulator spring pressure on the other side. Fuel pressure is controlled by a pressure balance across the regulator. The fuel system pressure is constant. A software bias compensates the injector on-time based on the signal from the MAP sensor.

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