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Home >> Saturn >> 2001 >> L100 L4-2.2L VIN F >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Description and Operation >> Fuel System >> Fuel Fill Check Valve
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Fuel Fill Check Valve




The fuel fill check valve is plastic welded into fuel tank inlet; this one-way check valve prevents liquid fuel from rushing back up tube when fuel delivery is stopped. It also aids in controlling fuel tank vapors from traveling back up filler tube. It is not serviceable. If defective, fuel tank assembly must be replaced.
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