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low coolant light

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How Long Does a Coolant Level Sensor Last?
The coolant level sensor uses a moveable float device and a reed switch that senses when the radiator has low coolant. Once the sensor detects low coolant, the driver is alerted...
How Long Does a Low Water Sensor Last?
The heat that is produced by your engine can be quite harmful if not cooled down. There are a variety of systems in your car that are designed to make sure that...

Related questions

Question
Low coolant level warning
Hello. If the coolant level shows low when the coolant is cold, and then reads fine once it warms up, then most of the time this is due to a bad coolant level sensor. This is assuming that the coolant...
Question
Car computer randomly beeps - 1998 BMW 323is
There are a number of driver-set functions which may cause the "3-beep" symptom: "top of the hour" clock warning (so you can catch the news), speed warning, icing conditions warning, etc. These are all set on the On-Board Computer. Check...
Question
Low coolant light on, coolant level fine
The level sensor may be at fault giving off a false reading and having the car turn on the warning light. This is an electrical problem in the case that an electrical component has failed. I suggest hiring an automotive...
Question
My low coolant indicator light came on and the radiator was low and the reservoir tank was totally empty
Hi there. From the description you have provided, my thought is, your vehicle has a coolant leak. Assuming you added to the cooling system, would account for the temperature gauge returning to normal and low coolant indicator going off. The...
Question
What does 'Top Up Coolant' light mean?
This indicates the engine cooling system is low on coolant and will need to be topped off. The system should be inspected for leaks to ensure there are no other issues causing the engine coolant level to drop. Please note:...
Question
Coolant level dropping quickly 2006 Saab 9-3
Hi there - yes, I would say this is a problem. Coolant loss can be deceptive - failing water pumps will sometimes only leak while running, blown head gaskets can leak into the engine crankcase, turning the engine oil to...
Question
Coolant is leaking - how much would it cost to fix? 2009 Mini Cooper
Hello - for both the cooling system and the brake repair, a bit more information is needed. Repair costs for the cooling system leak will depend on what is causing the leak (water pump worn out, radiator hose cracked, radiator...
Question
Low coolant light came on.
Hi there. Check the coolant level sensor on the radiator and make sure that it's plugged in. If the radiator was replaced, there is a good possibility that the coolant level sensor could have been slightly plugged in and then...
Question
Coolant level dropping after a short time
A cooling system that keeps getting low on coolant in a short amount of time has an active leak in the system. If the leak cannot be found externally then the leak will be internal to the engine. You will...
Question
Coolant leak causes smoke, periodic abnormal engine temp, and no heat inside.
Hi there. Look all over the cooling system for any coolant leaks. When the engine smokes in the mornings, look to see where the smoke is coming from. If a core plug (freeze plug) is leaking, then the coolant will...
Question
Coolant goes down, no leaks 2004 Nissan
Hi there - if the coolant level is dropping, it's either leaking somewhere that is undiscovered thus far, possibly evaporating before it is discovered, or the engine is consuming it via a blown head gasket or crack in the head...
Question
Leaking coolant, dripping off engine block near oil filter. 2006 Dodge Ram 1500
Hi - yes, almost certainly this is the water pump bearing seal leaking. I would replace the water pump immediately. Modern water pumps have a remarkable ability to hold water right up to the instant they fail completely - resulting...
Question
Audi Q5 gets short of coolant in the reservoir and when I turn on my air conditioning it seems to drain 2012 Audi A5 Quattro
Hi there, unless the "coolant loss" you continue to see is the result of an incomplete coolant bleeding procedure, there is still a coolant loss somewhere is the cooling system. Hopefully, the "temperature rise" you mention did not cause overheating...
Question
Car overheats / drains after a recent replacement of the coolant reservoir.
Hi there. The coolant level sensor could have failed. Also, if the reservoir was low, then after running the engine for a while on the road, the coolant could have bypassed into the reservoir making the coolant level low causing...
Question
My car system beeped with the low coolant warning light and went to cold and then it completely shut off
Hello. If the coolant was low enough and if the engine started to get hot then it will shut down. Hopefully the engine turned off before any damage occurred. If the coolant was that low then there is a leak....
Question
06 mazda3 runs idles wont accelerate no major engine codes one forlow coolant adn the other for catylist below effeciancy but noth
Be sure to maintain adequate coolant in the engine. If you suspect a leak, request a coolant leak diagnostic. The diagnostic trouble code referring to catalyst efficiency, although that issue should be resolved in a check engine light diagnostic, is...
Question
My heater is blowing cold air.
If the engine temperature is not abnormally low, then a stuck open thermostat is not likely to be the cause of inadequate cabin heat. Common causes of no cabin heat include malfunctioning blend door(s) (part of the in-dash ventilation network),...
Question
Engine coolant disappearing
If the engine has a coolant leak that is not external to the engine or cooling system would not have anything to do with the transmission repairs. You need to have the engine head gaskets and intake manifold checked for...
Question
Hi I have a 2011 Infiniti ex35 has no leak but I just realize that the radiator bottle is empty and the coolant is low? What shoul
If your overflow coolant reservoir is getting empty you should keep the coolant full to prevent overheating the engine. The coolant may be low for a couple reasons. The first is you have a leak in the cooling system externally...
Question
Low coolant light came on, just did a water pump in 2016 temps dropped on the east coast 2004 BMW 760i
Hello - in the absence of any visible leaking coolant, it is quite likely the "low coolant" warning is the result in incomplete bleeding of air from the water pump replacement in 2016. If air was not bled out of...

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