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Q: Mystery problem starting my car after alternator replacement? Fuel pump switch? on 1999 Ford F-150 Lightning

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First the Alternator went out. I put a new battery in and even before I changed the alternator, the starter would spin but I could not start the car.
Now 2 weeks after a new alternator is in, I have the same problem again with starting?
This truck has always started at first asking until now?
No car image 94a1663db56199c5353592009e34aaa51078a2469bed068bb8d6f0ba43accf97
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you need to check and see if it has spark and fuel. a fuel pressure guage will test fuel and a spark testor will spark condition. start there as you will find one of them is not working.

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