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Sputters then temperature gauge max’s out?

Tiny
POIRRIERTRAVIS98
  • MEMBER
  • 2002 MERCURY MARQUIS
  • 4.6L
  • V8
  • 2WD
  • AUTOMATIC
  • 207,012 MILES
I’ll be driving and my temperature gage is normal then all of a sudden it’s kind of like sputters then temperature gauge max’s out and it shuts off. If I wait a little bit it will start?
Saturday, October 15th, 2022 AT 9:12 PM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,536 POSTS
It sounds like the engine coolant temperature sensor is shorting out. Here is the location so you can check out the wiring connector and the sensor replacement as well in the images below. Please let us know what happens.
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Sunday, October 16th, 2022 AT 12:55 PM
Tiny
POIRRIERTRAVIS98
  • MEMBER
  • 2 POSTS
And when I start my car, my cooling fans automatically come on and stay on. Could that temperature sensor be the reason is doing it and my air conditioner quit working?
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Sunday, October 16th, 2022 AT 6:28 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,536 POSTS
Yep, it sure can, if the PCM sees the engine overheating it will turn off the A/C system.
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Monday, October 17th, 2022 AT 11:37 AM

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