CUTS OFF AND WON'T SRART

Tiny
345227
  • MEMBER
  • 2003 CADILLAC CTS
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 57,000 MILES
My car only has 57,000 miles on my car and I having a lot of problems with it the coolant is leaking and now my cuts off and its hard to start it again?
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Monday, June 29th, 2009 AT 9:07 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,014 POSTS
Hi,

If the vehicle stalls and won't restart until it cools for a while, chances are the problem is related to the crankshaft position sensor. When this sensor starts to fail, heat will have an adverse effect on it causing the engine to stall. Once it cools, it will work again.

Do me a favor. Take a look through this link and let me know if it seems to mirror what you experience.

https://www.2carpros.com/articles/symptoms-of-a-bad-crankshaft-sensor

If this seems like a possibility, then do this. When the engine won't restart, watch the tachometer when cranking the engine. It should move a little, or get a live data scan tool and check for an RPM signal. If there isn't one, it is likely a bad sensor.

Here is a link that shows in general how one is replaced:

https://www.2carpros.com/articles/crankshaft-angle-sensor-replacement

If you look at the attachments below, I provided the directions specific to your vehicle for sensor replacement.

I hope this helps. Let me know if you have other questions.

Take care,

Joe

See pics below.
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Tuesday, September 21st, 2021 AT 8:01 PM

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