- Kill the A/C and crank the heat. Immediately turn off the air conditioner to reduce stress on the engine. ...
- Find a safe place to pull over. Pull over and shut off the car. ...
- Check and add coolant (if you have it). ...
- Restart the engine.
What do I do if my temperature warning light comes on?
If the temperature light goes on or if the gauge enters the red zone immediately pull off the road to a safe spot, well away from traffic, and stop the engine. Wait 20 minutes, start up the engine, and if the temperature light comes on, proceed directly to the nearest garage with a mechanic.
Is it safe to drive with coolant light on?
when the low coolant level warning light comes on, you should stop driving. pull over to the side as soon as possible and shut off the engine to prevent any additional damage.Sep 25, 2018
How do you fix coolant temperature light?
If you are driving when this warning light goes on, pull over safely as soon as possible and shut off the engine to let everything cool down. Let the engine cool down for at least 30 minutes before attempting to remove the radiator cap and remember to use a thick rag to protect your hand when you do so.Sep 8, 2016
What temp is too high for coolant?
The engine coolant is overheating if it's around 240 to 250 degrees. This is a critical light! It means your engine is beginning to overheat.Feb 27, 2013
What temp does coolant light come on?
If the warning light comes on during driving (or the temperature gauge goes into the red danger zone), then the coolant temperature is about 250°F to 258°F (120°C to 126°C), which is still below the boiling point of the coolant (assuming a properly operating pressure cap and system).
Is 230 too hot for an engine?
For most cars, the normal operating engine temperature is in a range of 195 to 220 degrees Fahrenheit, though most dashboard temperature gauges don't show an exact temperature. Instead, there are typically markings for cold and hot on the edges of the gauge and a normal range in the middle.
Is 250 degrees to hot for an engine?
You can run your car at 240 or 250 degrees without hurting anything, as long as the water in the radiator doesn't boil. ... Your main concern should be to keep your engine below the boiling point of your coolant. If your radiator cap is no good, it will lower the boiling point of your coolant to 212 dgrees.
What happens if coolant temp is too high?
Hot, pressurized coolant and steam could erupt from the radiator, burning your hands. And never add cold water to an overheated engine; the abrupt temperature change can severely damage the engine. Let the engine cool down.Jul 6, 2010
Can overheating cause engine light to come on?
Overheating: Sometimes a check engine light comes on if there's a serious problem with the car. For example, Motorist explained that it could indicate that the vehicle is overheating, which means you need to pull over immediately. ... Neglecting this part of the vehicle can result in costly repairs for several systems.Jun 9, 2015
What are the symptoms of a bad temperature coolant sensor?
- Poor fuel economy. One of the first symptoms associated with a problem with the coolant temperature sensor is poor fuel economy. ...
- Black smoke from engine. ...
- Overheating engine. ...
- Check Engine Light comes on.