Engine shuts off after it has warmed up and will not restart

2001 CHEVROLET MONTE CARLO
140,000 MILES • 3.8L • 6 CYL • 2WD • AUTOMATIC
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JENNY JERRY
  • MEMBER
  • 1 POST
My car starts and runs great, but after it gets warmed up it shuts off and will not start back up until it cools down.
Apr 10, 2022 at 6:36 AM
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STRAILER
  • Experienced Mechanic
  • 55,273 POSTS
I have seen this happen when the engine coolant temperature sensor shorts out when hot, is the check engine light on? If so, this guide will help us get the codes:

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Here is a guide to help walk you through the coolant sensor replacement with specific instructions to help you do the job on your car in the diagrams below:

https://www.2carpros.com/articles/coolant-temperature-sensor-cts-replacement

Check out the diagrams (below). Let us know what happens and please upload pictures or videos of the problem.

Apr 11, 2022 at 2:38 AM
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