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Discussion Starter · #1 ·
I have a 2017 Focus RS and I feel like I have an idle issue. When I start the car of course it’s loud from cold start. Then midway of idling down it does this back and forth idling which I feel isn’t normal. Then once the car is warmed up it settles just fine. Is this normal? And how do I post a video lol
 

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I'm glad you posted this because I've noticed mine does the same thing. I'm not sure if its a concerning issue or if all of them do it. Hopefully someone will know why it does that. to add a video I think you have to post it to youtube then hit insert, media and enter the link.
 

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Sounds like what happens with my 2016 for the first few starts every time after I fill up with 93 at one specific gas station. Revs will fluctuate +/- a few hundred RPM at idle. After my next 93 fillup or two from somewhere else it will idle steady.
 
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