Fuel Fill Check Valves: Notes
WARNING: This page is about a different car, the 1994 Plymouth Voyager and 1994 Dodge Caravan. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
CNG vehicles use 2 fuel fill check valves. One check valve is located on frame rail near top of left rear shock absorber. Other check valve is integral to fuel fill receptacle. If this check valve is defective, fuel fill receptacle MUST be replaced. See FUEL FILL RECEPTACLE.