will a bad fuel sending unit keep my truck from cranking over?

Asked by Apr 25, 2015 at 09:09 PM about the 2008 Ford F-250 Super Duty XL Crew Cab 4WD

Question type: Maintenance & Repair

I have a spartan tuner on a 08 f250 6.4 diesel. It was running ok, and I just loaded a new
tune. was running ok, but fuel gauge quit, when you turn on the key the needle pegs
below E. Now it wont turn over, any help will be greatly appreciated.

2 Answers

15

Fuel problem will make it not start. But it should still crank.

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105,475

Check your battery cables, corrosion in the connections can cause this also weak batteries. Then check the main fuses in the power box under the hood. A gauge reading below empty is telling me that there is no voltage for that gauge or the gauge is completely fired.

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