What causes erratic idle speed in an Audi 80 and how can it be fixed?

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Sophia Johnson 2 weeks ago

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What causes erratic idle speed in an Audi 80 and how can it be fixed?

I have noticed that my Audi 80's idle speed sometimes fluctuates and I'm not sure what the cause is. Can anyone provide insight on what could be causing this issue and how it can be resolved?

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**Tom Davis** · Answer 1 · 2025-09-24T17:25:06+00:00

One possible reason for erratic idle speed in an Audi 80 could be a dirty or faulty idle control valve. Try cleaning it or replacing it to see if that resolves the issue.

What causes erratic idle speed in an Audi 80 and how can it be fixed?

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