Car check engine light heat indicator too low

‘Check engine’ light might be a problem with the engine coolant temperature sensor

Dashboard warning light or abnormal temperature gauge — The first sign of low coolant should be a dashboard warning light, or a rising temperature gauge. Automatic engine cut-off — If you drive a modern car, it will be fitted with an automatic engine cut-off feature.


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  • Why Is the Check Engine Light On? 8 Possible Reasons - The Garage BA?

This is designed to prevent damage when the engine starts to heat up due to lack of coolant. This may not only lead to pricey repair bills, but could result in permanent and irreparable damage.

Is it Safe to Drive With the Check Engine Light On?

This means that cool air from the inlet is fed into one bank of cylinders at a time, allowing the other rack to cool slightly between firing. This gives the option of driving further even when the engine is overheating, which could be enough to get home or to a garage. As well as this, many new cars feature automatic cut-off, which is designed to protect the engine from heat damage.

For more information and advice, visit the Prestone homepage. What happens to an engine with no coolant? The parts of your car that can be affected by overheating failure include: Water pump Head gasket Cylinder and piston timing Cylinder head Warped or bent connector rods Crank failure 4.


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  5. If this error occurs, it typically is because of a bad ECT sensor, but it also could be that the wiring or connector is damaged at the sensor, there is an open or short in the signal circuit, or the powertrain control module is damaged or broken. If your check engine light goes on, schedule an appointment today or call If your car is having problems with the circuit, you might notice: The vehicle might be hard to start. It might blow a lot of black smoke and run extremely rich. The engine might want to die or backfire in the tailpipe.

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