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Engines are typically cooled via airflow and circulated coolant. The temperature guage monitors these processes for anomalies. Usually the gauges come on when the engine is running hot. Overheating can be an expensive repair so it needs to be addressed ASAP. Course this assumes that you don't live in a subzero climate:)

Since airflow is critical keep an eye out for road debri. A simple plastic bag spread across your grill can block off some airflow. Check & change your coolant levels at recommended intervals. Also check and replace your coolant hoses periodically. These simple checks can uncover problems before they leave you stranded.

That's the short story.... In summary, if your temp gauge is on, you need to have that checked ASAP.

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Q: What does it mean when your car temperature gauge is on?
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Related questions

Why does the temperature gauge on your car fluctuate?

The temperature gauge on a car fluctuates because the car's thermostat is opening and closing. The gauge goes up when the thermostat closes and the gauge goes down when the thermostat opens.

What controls the temperature gauge on a car?

A signal from the temperature sensor on the engine.

What is causing your car is overheat when the temperature gauge is normal?

well your car needs a new body kit because that contributes to the temperature of the car

The petrol gauge speedometer and temperature gauge on your car are not working how can you fix this?

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What causes temperature gauge in car hot?

StUck in open position

Is your car running hot when the temperature gauge is at the halfway mark?

That depends on what the car is supposed to run at.

What would cause the temperature gauge to go up and down?

If you temperature gauge is going up and down then you may have a problem with your sensor. You should take your car to a professional to ensure that you don't overheat your car.

What kind of car gauges are mandatory to have in a dashboard?

There are certain car gauges which are mandatory to have in a dashboard. These gauges are the speedometer, the temperature gauge, the fuel gauge, the tachometer, oil pressure gauge, charging system gauge, and odometer.

What does warning light mean by the temperature gauge?

no water

Function of temperature gauge?

lets you know from inside the car if your engine is running at the proper operating temperature.

Is Car temperature sensor equals car temperature switch?

We have no temperature gauge in our car. Didn't come equipped with one. It probably has a warning light that would illuminate if the engine was getting to hot.

What is wrong when your temperature gauge goes up in a car?

Your car is starting to overheat or your thermostat is going out. Get it checked.