Engine temperature gauge not working?

GBJM1953

MEMBER
2001 FORD EXPLORER
V8
2WD
AUTOMATIC
10,600 MILES

I have a 2001 Ford Explorer XLT, I have recently bought this SUV. It will not pass emissions inspection. The engine light is on, and the temperature gauge is not working. I made a trip to my local auto parts store, and they checked the OBD code and it came up to the engine coolant sensor. I changed the sensor and the engine light is still on. Do I need to reset the computer, or could it be something else that I maybe need to check into before calling my repair man?

3 Replies

JACOBANDNICKOLAS

MECHANIC
109,913 POSTS

Have them reset the light at the parts store. It does need reset. If it comes back on after being reset, have them check it again to see if it is a different code.

Let me know what you find.

Joe

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Sunday, February 14th, 2010 AT 2:22 PM

SHERRY MACK

MEMBER
1 POST

Did he replace sensor or sending unit, some people get confused that there are two different thing, sensors talk to PCM, sending unit talks to instrument cluster(gages)

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Monday, December 2nd, 2024 AT 1:25 PM

KEN L

MASTER CERTIFIED MECHANIC
48,519 POSTS

You can see if the coolant sensor is working by seeing the reading on the scanner, if there is a reading the cluster is bad and needs replacement. To be sure you have the correct sensor this is the location. Check out the images (below). Please let us know what happens.

Image (Click to make bigger)