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ECT Sensor location and replacement?

Tiny
JODYLSCOTT61
  • MEMBER
  • 2001 CHEVROLET LUMINA
  • 3.1L
  • 6 CYL
  • AUTOMATIC
  • 247,000 MILES
This is my daughter's car, and I am helping her change her ECT Sensor. That was the code it threw when she had it checked. Where exactly is it located at? And how do I get to it?
Friday, September 9th, 2022 AT 5:01 PM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,513 POSTS
It looks like the coolant temperature sensor is near the front of the engine by the thermostat housing. here is a generic guide to help you change it out by showing you the steps and I have included the location and replacement instructions in the images below as well for your car.

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

Start by draining the coolant. Check out the images (below). Please let us know if you need anything else to get the problem fixed.

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Saturday, September 10th, 2022 AT 11:44 AM
Tiny
JODYLSCOTT61
  • MEMBER
  • 2 POSTS
So, does that mean the ECT Sensor, and the CTS Sensor are the same thing?
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Sunday, September 11th, 2022 AT 7:36 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,513 POSTS
Yes, there are the same thing, "electronic coolant temperature" sensor and "coolant temperature sensor".
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Monday, September 12th, 2022 AT 4:01 PM

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