Coolant temperature sensor on 1997 Chevy lumina?

The sensor is called ECT.Its for controlling cooling fans.This year doen't use a separate sensor for the cooling fans, it uses the ECT (engine coolant temp sensor) sensor that monitors engine temperature for the fuel control system, the computer turns the fans (via a relay) on when the engine reaches about 225-230 Degrees F.

This details will help you.

For more car related problem troubleshooting:---

This are the sections, you can go through and click the link to read its troubleshooting.


The car will not start?


Car will not crank?


Car has no spark?


How to troubleshoot car battery?


How to test starter solenoid?


How to test cars starter?

How to replace starter in car?

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