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Home >> Chevrolet >> 2018 >> Equinox L >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 15 (Engine Controls And Fuel - 1.6L (LH7) Diesel - Description And Operation) >> Description And Operation >> Fuel System Description >> Fuel Pressure Regulator

Fuel Pressure Regulator

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The engine control module (ECM) controls the fuel rail pressure using a pulse width modulated fuel rail pressure regulator. The fuel pressure regulator is located in the fuel injection pump and meters the amount of fuel that enters the high pressure side of the pump. From the high pressure pump, the fuel moves to the fuel rail through a high pressure steel line. The fuel rail distributes high pressure fuel to all 4 fuel injectors.

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