Stalls while driving?

Tiny
FASTFREDDIE
  • MEMBER
  • 2003 FORD TAURUS
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 109,000 MILES
I have a 2003 taurus when I start it it runs for a few minutes and then it sounds rough and then it stalls and wont start again, and when I go out and try it later it does the same thing.
Monday, January 24th, 2011 AT 3:32 AM

1 Reply

Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

It sounds like you might have a faulty crankshaft position sensor. When you have a faulty crank sensor the engine will not produce spark to the plugs.

Due to engine vibration, heat and the constant generation of electromagnetic energy being produced internal windings can become brittle and break causing a direct or intermittent short circuit of the sensor which will cause the engine to stall.
This failure may or may not cause the check engine light to come on and set a trouble code for this problem.
Here are some helpful articles on crank sensor:

https://www.2carpros.com/articles/car-cranks-but-wont-start
https://www.2carpros.com/articles/symptoms-of-a-bad-crankshaft-sensor
https://www.2carpros.com/articles/crankshaft-angle-sensor-replacement

Another possibility is the coolant temperature sensor. Sometimes the temperature sensor can give incorrect signal and the engine will not start.

I have attached the diagrams for your reference.

Please let me know of any questions.

Thank you.
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Monday, August 2nd, 2021 AT 10:15 PM

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