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Instrument Panel

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fruitsalad | 15:24 Thu 09th Dec 2021 | Motoring
6 Answers
Keeps stopping and starting, the mileage, is on there all the while, but the speedo petrol gauge etc goes off then comes on again, when it feels like it, it's a 2000 audi tt
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is it a virtual display or do you mean the lights go off?
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Yes lights go off, then I can be driving along, and it comes back on again.
it's probably a loose wire somewhere.
Faulty connection / solenoid somewhere (genius, I know). Check that all fuses are fitted correctly as well. Do you know anyone with a diagnostic device as this should identify it?
The instruments which are erratic are live only when the ignition is on, the mileage is illuminated usually by opening the car door and remains on for a time after you leave the car. This implies the erratics are on a different circuit and they are often driven via a voltage regulator for stability reasons. There could be a problem with the voltage regulator or just a loose connection somewhere in the circuit.
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Just spoken to a chap who works in a garage, apparently it's the instrument cluster, this seems to be quite common in the older tt according to him.

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