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Home >> GMC >> 1991 >> Value Van 7.4 N >> Repair and Diagnosis >> External Pages >> Different car >> Section 48 (Engine Controls - Theory & Operation - 5.2L CNG) >> Fuel System >> Fuel Delivery >> Fuel Fill Check Valves

Fuel Fill Check Valves

WARNING: This page is about a different car, the 1995 Dodge Ram Wagon, 1995 Dodge Ram Van, 1995 Dodge Pickup, and 1995 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.

Two different check valves are used with the CNG fuel system. One of the valves is located integrally with fuel fill receptacle. The other valve is located in fuel fill tube near top of left rear shock absorber. Both valves are used to keep fuel from escaping from fuel fill receptacle.