My 99 f150 5.4L will turn over but won't crank. I can tap the relay pump comes on tap it again it goes off. When the pump is running it won't turn off. When the pump is running it still won't crank.

My 99 f150 5.4L will turn over but won't crank. I can tap the relay pump comes on tap it again it goes off. When the pump is running it won't turn off. When the pump is running it still won't crank. 7 answers

I have a 1991 Ford F150 Lariat XLT. I replaced the fuel lines & installed a new fuel pump. The engine turns over but it won't crank. What could be wrong with my truck? 3 answers

The engine is getting gas but it won't crank. I replaced the fuel lines & fuel pump but I'm still having the same problem

my 98 f150 will start but won't idle, it just dies. I can keep it running by feathering the gas pedal. What is wrong with it? 3 answers

I can start it up but it won't stay running without feathering the gas pedal.

I turn the key forward and release the starter keeps turning but the engine does not crank. When it does crank I can drive a short distance and the engine will die 2 answers

2010 Ford F150 FX4 when I turn the key forward and release the starter keeps turning but the engine does not crank. When it does crank I can drive a short distance and the engine will die and when I a...

Changed the fupload pump and it still won't start 5 answers

I have a 92 F150 standard I changed the fuel pump on my F150 and tried to start it, she clicked and clicked then died. Charged the battery and still nothing.. fuel pump works. What else could it be...