Temperature gauge

Welcome to 2CarPros.

As long as it doesn't go higher and the engine isn't overheating, you should be fine. Just make sure the coolant level is full. Also, never open a radiator when the engine is hot. Wait until it cools off. The sensor itself may be going bad. If you decide to replace it, here are the directions. I don't know if you have the 4 or 6 cylinder engine, so here are both. I'll start with the 6 cylinder since it is much more common. If replacing the sensor, coolant loss will occur. You should drain the radiator below the sensor's location.

Here are a few links you may find helpful:

https://www.2carpros.com/articles/how-a-coolant-temperature-sensor-works

https://www.2carpros.com/articles/symptoms-of-a-bad-coolant-temperature-sensor

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

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Here are the specific directions. The attached pics correlate with these directions.

ENGINE COOLANT TEMPERATURE (ECT) SENSOR

See Picture 1

Removal and Installation
1. Drain the cooling system.
2. Disconnect the engine coolant temperature (ECT) sensor electrical connector.

See Picture 2

3. Remove the ECT sensor.
- Pull upward on the locking tab.
- Rotate the sensor counterclockwise and remove.

4. To install, reverse the removal procedure.

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4 cylinder information.

1. Locate sensor on engine

See Picture 3

2. Disconnect wiring to sensor.

3. Remove sensor See Picture 4

4. To install, reverse the removal procedure.

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Let me know if this helps or if you have other questions.

Take care,
Joe