Crank but no start

2005 FORD EXPLORER SPORT TRAC
215,000 MILES • 4.0L • 6 CYL • 2WD • AUTOMATIC
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FIXITRAY
  • MEMBER
  • 1 POST
Car was running and cut off at light. Restarted ran for about two miles, now will crank but will not restart.
Note: replaced fuel safety shut off, drive shaft sensor, fuel pressure regulator, fuel filter, fuel is present at rail, spark is present at coil pack for all cylinders, used noid light test-injector pulse present. Car cranks but will not start.
Dec 7, 2018 at 11:06 AM
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JACOBANDNICKOLAS
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 110,190 POSTS
Hi and thanks for using 2CarPros.

If you have spark, fuel, and air, the engine has no choice but to run unless for some reason timing is off or compression was lost. Do me a favor, see if it starts for a couple seconds using starting fluid and let me know what you find. If it starts for a couple seconds, confirm fuel pressure is within the manufacturer's specs.

Also, here is a quick link that discusses common causes for a crank/no start issue:

https://www.2carpros.com/articles/car-cranks-but-wont-start

Let me know. You did all the preliminary testing already. What I suspect is either the spark is weak or the fuel pressure is too low. Chances of internal engine damage or timing to go all at once, is unlikely. Truthfully, it sounds like a bad crankshaft sensor but the starting fluid test will tell me a lot.

Let me know what you find.

Take care,
Joe

Dec 7, 2018 at 8:31 PM
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