When does the engine temperature warning light go out?
The symbol should briefly illuminate on your dashboard when you start the car and go out shortly after the engine has started. This is perfectly normal, but if the temperature light comes on while driving, immediate action should be taken, particularly if the symbol is red.
What does a high coolant temperature light mean?
The light is part of your vehicle’s on-board diagnostics (OBD) system and can indicate anything from a quick fix like a loose gas cap to a major repair like a catalytic converter. If this code is discovered, it means the engine coolant temperature is excessively high under normal engine speed.
How does the overheat warning light work on a car?
If your vehicle has a temperature overheat light installed in the dashboard it may illuminate for about 1 or 2 seconds. As the engine warms up the needle will level out and slowly rise as the engine warms up. This way it’s reflecting the accurate temperature being thrown by the engine.
What does the temp sign on your car mean?
It looks like a thermometer or shows the word ‘temp’ or ‘engine overheating.’ Whenever these words flash or the sign lights up, your car is in danger. The computer system of your vehicle monitors the overall fluid level and the coolant temperature.
When does the engine temperature warning light come on?
When working properly, the cooling system keeps the engine running at peak efficiency and at its ideal operating temperature. Upon starting, the engine temperature warning light should come on and then go off in two seconds or less. But if it stays on, or comes on while you’re driving, there’s a problem.
Where to find the coolant temperature warning light?
For this reason, it’s necessary to take the coolant temperature warning light seriously. You will find it on the dashboard gauge cluster. It looks like a thermometer or shows the word ‘temp’ or ‘engine overheating.’ Whenever these words flash or the sign lights up, your car is in danger.
What should coolant temp be when engine is hot?
With a good OBD2 code reader, you can also check the live data and the parameters of the CTS sensor. Check that the temperature value of the CTS is around 80-90c when the engine is hot. A lot of engine coolant temperature sensors have two wires and the sensor is controlled by Ohm.
What are the different types of engine temperature warning systems?
There are several types of engine temperature warning systems on vehicles. A temperature gauge that has a red light at the hot end of the temperature range A red or yellow light that will come on and even blink when the engine temperature is too high A messaging system that will flash “engine overheating” in the driver information center.