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Car Forum / Audi Cars / September 2006

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1990 Audi 200 Water Temp Light

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jamie - 30 Aug 2006 04:17 GMT
I finally got my car back from the shop and the water temperature light
started flashing periodically. the Temp gauge seems to be working fine
but what would cause the light to start flashing? Bad fuse maybe?
Tony - 30 Aug 2006 04:40 GMT
Check for corroded wires on the MFTS temperature sensor (near top radiator hose
where it attaches to engine.)

Also be sure that the coolant is to the correct level in the overflow tank. this
seems most likely to me. (Previously owned four T44s)

Probably not a fuse.

> I finally got my car back from the shop and the water temperature light
> started flashing periodically. the Temp gauge seems to be working fine
> but what would cause the light to start flashing? Bad fuse maybe?
Av - 30 Aug 2006 10:11 GMT
> I finally got my car back from the shop and the water temperature light
> started flashing periodically. the Temp gauge seems to be working fine
> but what would cause the light to start flashing? Bad fuse maybe?

On my 93 90S, I found this happen when my coolant level was very, very
low.
You might want to check yours too.
jamie - 31 Aug 2006 04:43 GMT
Do I need to use the Audi coolant? Or can I just use a standard engine
coolant from any parts store? Excuse the ignorance this is my first
German car and I don't want to screw anything up.
~  Elektraman ~ - 31 Aug 2006 17:13 GMT
You can use anything that has "achtung!" on the label :-)

If you use the blue Pentosin antifreeze you will have to flush the green
coolant if that's in the system now.

> Do I need to use the Audi coolant? Or can I just use a standard engine
> coolant from any parts store? Excuse the ignorance this is my first
> German car and I don't want to screw anything up.
Av - 01 Sep 2006 08:05 GMT
> Do I need to use the Audi coolant? Or can I just use a standard engine
> coolant from any parts store? Excuse the ignorance this is my first
> German car and I don't want to screw anything up.

You *should* be able to use any coolant as long as it's the same colour
as the coolant in there now. Of course, don't get the super cheap stuff,
that's just always bad news no matter which car you have or whether it's
coolant or oil.

I think you only really need to worry about the special Pentosin stuff
when it comes to the hydraulic fluid (G00 2000, aka Goo 2k). Someone
please correct me if I'm wrong.
 
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