I have a 1996 Audi 80 that has been experiencing a rough idling issue. The engine shakes and sounds like it's misfiring. I recently changed the spark plugs, but it didn't solve the problem. What could be causing this issue?
ReplyIt sounds like there could be an issue with the fuel injectors. They may be dirty or clogged, causing an uneven fuel distribution. I suggest getting them cleaned or replaced by a professional.
Another possibility is a vacuum leak. A small crack in a vacuum hose or a faulty valve can cause rough idling. Check for any damaged hoses and replace them if necessary.
Another common cause of rough idling is a faulty idle air control valve. This valve controls the flow of air into the engine when the throttle is closed. If it is malfunctioning, it can cause a rough idle. Have it checked and replaced if needed.
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