When the coolant sensor plugged into the car it misfires and stalls?

2005 PONTIAC GRAND PRIX
192 MILES • 3.6L • V6 • 2WD • AUTOMATIC
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MARK.CASIPE
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  • 1 POST
Car rpm runs good when coolant temperature sensor plugged disconnected. But when coolant temperature sensor connected car misfire and stall. I have already replaced the coolant temperature sensor. What could be the cause of the problem? What needs to be checked next?
Sep 28, 2024 at 5:09 PM
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STRAILER
  • CAR REPAIR CONTRIBUTOR
  • 54,189 POSTS
It sounds like you have a bad PCM, but we should run the codes to see if any are stored, please go over this guide and get back to me:

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

Please go over this guide and get back to us.
Sep 29, 2024 at 10:20 AM
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