Q: Will not start, just keeps cranking.

asked by on January 28, 2017

This truck has been well maintained and ran like a charm. The last few months it seemed to take some time to start but ran great once it started. A week ago it decided to not start at all just cranks and cranks. I suspected fuel pump so bought a complete delphi unit and swapped it out and replaced filter with new motorcraft one. I have plenty of gas now getting to the fuel rail and had spark at one of the plug locations but still no start. There is plenty of gas in the tank, battery and starter functioning well, crank sensor replaced, recent tune up, inertia switch checked and working, fuses and relays checked with no findings. What else can I do? This thing is stuck in the driveway and frustrating me! Please help, thank you...

My car has 190000 miles.
My car has an automatic transmission.

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