1991 F-150 4x4 5.0 dual tank wont start, the fuel pump is whining when and if the fuel quits whinning then it will start.
Asked by Graphics Mar 18, 2011 at 08:31 PM about the 1991 Ford F-150 XL 4WD Extended Cab LB
Question type: Maintenance & Repair
1991 F-150 4x4 5.0 dual tank wont start, the fuel pump is whining when and if the fuel quits whinning then it will start.
It is trying to prime the gas to start, but wont start??
Replaced the fuel pump relay & pressure valve on the rails.
2 Answers
Jeremy answered 6 years ago
Try bypassing the fuel tank switching valve if it works replace the valve. Also....are you sure you have gas?
Your Answer
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