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Hey guys,
Going through the Etune process and hoping to help resolve an issue I’m having.

So, my AF correction will jump around by exactly 10.16. It happens when I’m on level pavement, lower RPMS (2200-3000), and have constant throttle at 5-10%. When this happens it will jump back and forth by the 10.16 variable. For example, it will be 4 then -6 then 4 then -6 then 4 then -6 etc. or 10 then 20 then 10 then 20. It will continue to do so until the throttle changes or the level of the road changes.

Note: I have already cleaned the MAF and MAP. I have also already had a boost leak and smoke test done. Problem is still happening. We have also tried doing a speed density tune because I found water in my air box last winter. Still happening. I will note that the compressor on the turbo did get a little knicked up from debris or ice, but there is no excessive oil burn or shaft play.

Has anyone experienced this? Or do you know where I can look to resolve the issue?
 

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What car?

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