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Message: <blockquote data-quote="FleetMgr1" data-source="post: 29062" data-attributes="member: 11418"><p>You’d be throwing engine codes if there was a misfire. My 2020 2.0t does the same thing at idle. Previously, she was throwing codes and had the #1 ignition coil going bad, replaced the 4 plugs and the bad coil pack and she’s running gold now. Doesn’t hurt to only use 93 octane with detergents and add a fuel injection cleaner every other fill up or so. She still does the rough idling at times. Not worried unless the ECM doesn’t like it.</p></blockquote><p></p>