is there a check valve on the fuel filter of this truck. if not can an after-market valve be put on
Dec 7, 2012 at 6:16 PM
2001 Gmc Sierra There Check Valve On Fuel Filter This Truck After Market Put
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no, no check valve only in the pump.
no, one cannot be added
Roy
no, one cannot be added
Roy
Dec 7, 2012 at 6:18 PM
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