Engine coolant over temperature

ASHLEY HORTON

MEMBER
2013 FORD FUSION
1.6L
4 CYL
2WD
AUTOMATIC
116,000 MILES

I recently replaced my alternator and when I start the car it runs fine for the first two or three minutes. Then I receive an error that my coolant temperature is too high and the car shuts off. It starts right back up and runs or a minute or two again then shuts off. I checked the belt, its ran properly, all the pulleys are moving properly. Could it be the coolant temperature sensor? I just ordered and OBDII scan tool should be here Friday so I don't have any codes yet.

3 Replies

DANNY L

MECHANIC
5,648 POSTS

Hello, I'm Danny.

Just a quick question first. When this happens does the check engine light come on or flash? Most local auto parts stores like AutoZone will check codes for free as opposed to you buying a code reader.Here is a tutorial showing what is involved in checking codes.

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

Hope this helps and thanks for using 2CarPros. Feel free to ask any further questions.
Danny-

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Wednesday, March 6th, 2019 AT 9:56 PM

ASHLEY HORTON

MEMBER
3 POSTS

The check engine light is on steady no flashing.

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Thursday, March 7th, 2019 AT 12:23 PM

KEN L

MASTER CERTIFIED MECHANIC
48,356 POSTS

It sounds like the temperature sensor has gone bad. Here is guide to walk you through the steps of changing it and the sensor location for your car and instructions below:

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

Check out the diagrams (below). Please let us know what happens.

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