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Temp. gauge stop working?? Audi A3 2006

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Old Jan 22, 2012 | 12:22 PM
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Default Temp. gauge stop working?? Audi A3 2006

I would like to know why my engine temp. gauge just stop working? What or why could this be the cause and how can I fix it. Some one please help
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Old Jan 22, 2012 | 02:14 PM
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You probably need a new thermostat. See this thread:

http://forums.vwvortex.com/showthrea...sensor-install
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Old Jan 23, 2012 | 10:01 AM
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If it not the Thermostat, and it might be the ECT sensor maybe?
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Old Jan 23, 2012 | 12:39 PM
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I'd bet on the thermostat. The A3 monitors the coolant temp and if it doesn't follow the profile it's looking for it kills the gauge.
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Old Jan 30, 2012 | 12:30 PM
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It’s funny how, a few days ago, I’m driving and the temp. gauge just rises up and my temp gauge is normal now. Could it be that it got stuck, and it fixed itself and went back to normal? How weird is that?? LOL
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Old Feb 6, 2012 | 03:30 PM
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did you read that thread linked above? all is explained.

you need a new thermostat. If you have an 06, its time, anyway.
It will happen again. Then you will get a check engine light. you'll see.

Sympotoms can be masked by warm spells and climate change.
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Old Feb 7, 2012 | 07:24 PM
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Wow. I just got the same problem a few days ago, 2006 A3.

Temp gauge stuck on cold, check engine light eventually came on.

Interior heat still works OK.

By any chance, is this covered by any of the Audi warranty extensions?
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Old Feb 7, 2012 | 07:37 PM
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Nope--you're on your own.

FWIW--A3 2.0T FSI warranty extensions cover PCV, intake flapper (listed as intake manifold runner sensor), and intake cam follower (covers high-pressure fuel pump and intake cam damage). There's also a program to replace coil packs.
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Old Jun 13, 2018 | 08:14 AM
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Default My 2006 Audi A3 2.0 FSI did the same thing ended up being my coolant temperature sens

Originally Posted by Enrique408
I would like to know why my engine temp. gauge just stop working? What or why could this be the cause and how can I fix it. Some one please help
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