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2011 CTT with "morning sickness"

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Old 08-10-2018, 05:55 AM
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Location: Diepoldsau
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spirit49 is an unknown quantity at this point
Just wanna follow up on this issue.

Car is soon going in for a AH-08 getting new adjusters. Will also change the Variocam adjusters while in there.

I have been working around with the diagnostic a bit with the engine running.

When the car is warm, there is still a pretty noticeable vibration at 1700-1800 rpm.
I have tried to look at the data streams to see where the issue could be, but the only real "error" I can find is misfires on cylinder 4.




However with all new Coils and plugs, I think we can disregard a spark issue.
So its on to looking at fuel injection or air.

Is there a way to verify the fuel injector at that cylinder?

How could I troubleshoot further?
 
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