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      08-04-2022, 03:13 PM   #36
shaneguags
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Drives: 2017 Big Turbo BMW M2
Join Date: May 2021
Location: Tampa, FL

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2017 BMW M2  [9.42]
Quote:
Originally Posted by F87source View Post
Quote:
Originally Posted by ZM2 View Post
There’s been a lot of talk about plugs recently, but could these rough idles be caused by an O2 sensor on its last leg?
I'd suspect if the o2 sensors were on its last legs there would be afr flucctuations everywhere in the rpm band along with roughness.
AFR have been looking normal on the data logs so I doubt it's the O2 sensors. I would assume it's just from adding port injection.
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