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Home >> GMC >> 1991 >> Value Van 7.4 N >> Repair and Diagnosis >> External Pages >> Different car >> Section 43 (Engine Controls - Tests W/Codes - 8.0L) >> No-Start Tests >> Test NS-4A - Repairing Low Fuel Pressure

Test NS-4A - Repairing Low Fuel Pressure

WARNING: This page is about a different car, the 1995 Dodge Pickup and 1995 Dodge Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
WARNING: High fuel pressure may be present in fuel lines. Open fuel system with caution. See FUEL PRESSURE RELEASE  procedure.

Inspect fuel lines between fuel filter and fuel rail for restriction. Repair as required. Perform TEST VER-1. If no restrictions are observed, replace fuel filter/regulator at fuel pump module and primary filter. Perform TEST VER-1.