I've noticed that my Audi 80 has a rough idle and the engine seems to vibrate a lot when idling. What could be causing this issue and how can it be resolved?
ReplyThe most common cause of rough idle in an Audi 80 is a dirty or faulty idle air control valve (IACV). It is responsible for regulating the amount of air entering the engine while idling. You can try cleaning the IACV first before replacing it.
Another possible cause could be a clogged fuel filter. If the filter is dirty, it can restrict the flow of fuel to the engine and affect its performance. It is recommended to replace the fuel filter every 30,000 miles or sooner if you notice any issues.
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