Skip the auto shop - Our mechanics make house calls

Q: Low coolant light on, coolant level fine

asked by on

The dashboard in my car has been showing the low coolant light on. I've checked it and it is at an appropriate level. However, the light stays on and occasionally there is a buzzing noise. Is this some kind of electrical issue? What might be the cause?

A: The level sensor may be at fault giving off...

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 technician experienced in electrical systems, like one from YourMechanic, take a look at the circuit and test the seemingly failing level sensor.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: What Causes a Car's AC System to Rattle When It Is Turned On?

The cause of the rattle will depend on whether it is coming from inside the car or under the hood. Typically, a rattle would be associated with the compressor and underhood components. Let’s take a look by starting under...

Q: 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...

Q: Screeching chirp noise engine - 1991 GMC K2500

Hey there. The A/C pulley bearing may be binding causing the chirping. Try spraying each belt one at a time with some water in a spray bottle. The noise will change or go away when the belt that is chirping...

Related articles

P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the P0052 code means This code is seen when the Engine Control Module (ECM) tries to control the...
P0240 OBD-II Trouble Code: Turbocharger Boost Sensor B Circuit Range/Performance
P0240 code definition Turbocharger Boost Sensor B Circuit Range/Performance What the P0240 code means P0240 is an OBD-II generic code triggered when the Engine Control Module (ECM) detects the intake boost...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...