Hot temperature gauge when air conditioner is on?

Tiny
TLFREEMAN
  • MEMBER
  • 2009 FORD MUSTANG
  • 2.0L
  • 6 CYL
  • 2WD
  • MANUAL
  • 197,000 MILES
When the air conditioner is on, the temperature gauge goes hot. Can I drive short distances without turning on the air conditioner?
Saturday, July 22nd, 2023 AT 12:15 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi,

Does this only happen when the AC is on? If that is the case, without using the AC, it should be okay.

Have you checked to make sure the engine coolant is full? Also, do you notice the radiator cooling fans turn on when it is hot? Will it overheat if you are driving at highway speeds with the A/C on?

Here is a link you may find helpful:

https://www.2carpros.com/articles/engine-overheating-or-running-hot

Let me know exactly what is happening.

Take care,

Joe
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Saturday, July 22nd, 2023 AT 10:14 PM

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