[Norm K]

Originally Posted by Grog

Crank position sensor. Easy do it yourself & cheap.

This was my thought as I was reading the OP.

If you're even thinking you might have to throw parts at it until you find the problem ... start here.

edit: I didn't spend much time checking fitment but this will give you an idea as to the costs involved and, as noted by Grog, it's an easy job. https://www.amazon.com/Motorcraft-DU-70-Sensor-Assy/dp/B000C5BMW8/ref=sr_1_2?dchild=1&keywords=crank+position+sensor&pd_rd_r=e105fa5e-8a23-4e3e-857f-0bab49116342&pd_rd_w=bMKwQ&pd_rd_wg=UvC6d&pf_rd_p=bec88bc8-d41e-4895-a8dc-a35e165b8995&pf_rd_r=HR0R209QQ2BKSG3FXXFK&pid=Jn5Ggep&qid=1622292135&sr=1-2&vehicle=2007-54-666------------&vehicleName=2007+Ford+F-150

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