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Home >> GMC >> 1991 >> Value Van 7.4 N >> Repair and Diagnosis >> External Pages >> Different car >> Section 90 (3.8L V6 Gas - VIN [L]) >> Removal & Installation >> Fuel Pressure Release

Fuel Pressure Release

WARNING: This page is about a different car, the 1995 Plymouth Grand Voyager, 1995 Dodge Grand Caravan, and 1995 Chrysler Town & Country. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect negative battery cable. Remove fuel tank cap to release pressure from fuel tank. Remove cap from fuel pressure test port on fuel rail. See Fig 1.
  2. Place end of Hose (C-4799-1) of Fuel Gauge Set (C-4799-A) in suitable gasoline container. Connect other end of hose to fuel pressure test port on fuel rail. Fuel pressure will be released into gasoline container. Remove hose. Install cap, negative battery cable and fuel tank cap.
Fig 1: Identifying Fuel Pressure Test Port
G93G75982Courtesy of CHRYSLER CORP.