I noticed that my Audi A4 idles roughly for about 10-15 seconds upon startup, then smooths out. Has anyone else experienced this issue and have any recommendations for a fix?
ReplyThis issue is commonly caused by carbon buildup in the throttle body. I suggest having it professionally cleaned to improve idle performance.
I've heard that changing the spark plugs can also improve rough idle on the A4. It might be worth checking and replacing those if necessary.
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