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Home >> Pontiac >> 1998 >> Firefly 2D Hatchback, 1.3 2 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests - 1.3L >> Fuel System >> Fuel Delivery >> Fuel Pressure Regulator

Fuel Pressure Regulator

Fuel pressure regulator is located on fuel rail. Fuel pressure regulator maintains fuel pressure applied to fuel injector 41 psi (2.9 kg/cm2 ) more than intake manifold pressure. To test fuel pressure regulator, see FUEL SYSTEM PRESSURE TEST under BASIC FUEL SYSTEM CHECKS in TESTS W/CODES - 1.3L article.

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