It crank but won't start. (no power to crank position sensor)

2001 FORD EXPEDITION
81,000 MILES
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JGEMNO
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  • 3 POSTS
check fuel pump, selinoid,all fuses,battery,starter,
Dec 11, 2011 at 4:34 PM
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JACOBANDNICKOLAS
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Which sensor are you referring to? Also, is there spark and fuel to the engine?
Dec 11, 2011 at 4:35 PM
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JGEMNO
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  • 3 POSTS
crankshaft position sensor,there's spark and fuel to engine,if I jumped it,works fine
Dec 11, 2011 at 4:51 PM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
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Okay, if you have spark and fuel to the engine, it should run. Are you sure the fuel pressure is within the manufacturer's specs and the spark is a good hot blue snapping spark? Also, make sure the fuel injectors are getting power.
Dec 11, 2011 at 4:54 PM
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JGEMNO
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  • 3 POSTS
Fuel pressure don't know, fuel injectors are power yes,
Dec 11, 2011 at 5:22 PM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,240 POSTS
If there is no power to the crank sensor, check the wiring between it and the PCM. Check the plug on PCM for corrosion or damage.
Dec 11, 2011 at 5:31 PM
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