collant light turn on and off while driving

[namburger]

It'd turn on and off on it's own while I'm driving.
- I tried different readers but none of them return any fault.
- I checked the koolant level and it looked ok, so I don't believe there are leaks or anything.

I don't have the user manual, would love to know what I should be looking into...
Is it just time to replace the coolant? The only reason why I haven't done it yet is because my engine never overheat so I don't think the coolant is a problem.

[enuff_zed]

Hi, I suspect it is most likely to be the sensor in the bottom of the expansion tank.
This is a simple push and twist fit and sits in a dry tube so you won't lose any coolant swapping it over.

[namburger]

Hi, I suspect it is most likely to be the sensor in the bottom of the expansion tank.
This is a simple push and twist fit and sits in a dry tube so you won't lose any coolant swapping it over.

Thanks, I just saw this video: https://www.youtube.com/watch?v=8GNIwCeU2og
will take a look at it tonight, maybe i'll just replace it and see if it's the issue

[enuff_zed]

Hi, I suspect it is most likely to be the sensor in the bottom of the expansion tank.
This is a simple push and twist fit and sits in a dry tube so you won't lose any coolant swapping it over.

Thanks, I just saw this video: https://www.youtube.com/watch?v=8GNIwCeU2og
will take a look at it tonight, maybe i'll just replace it and see if it's the issue

Relatively cheap and a quick job if you have small hands.
If you can't see what you're doing then it is more easily visible from underneath with the undertray removed.

[namburger]

crap... is this too much coolant?

I essentially lifted up the car and got to the sensor quite easily, however the sensor isn't delivered yet so I can only do a quick visual inspection of it. While I'm at it, I decided to add a little coolant for what ever reason... and the stick didn't really move... and I kept pooring.. untill it got really high...

do I need to drain some?