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It's difficult to accelerate in my car, but it runs well otherwise. Any idea what the issue might be?

My 2005 Audi A4 automatic delays and lately slips. Any idea what the problem is and how to fix it? It's very difficult to accelerate, but after that it runs well.

Asked on 20 May 2020 by Dimcho T

Answered by Dan Powell
This reads like a problem with the transmission oil. At 15 years, it probably needs replacing.
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