View Poll Results: Have you experienced the Carbon buildup issue on the IS250?
Yes. I got the service done under warranty one or more times
44
43.56%
No. Never had this issue. Car runs like a sewing machine.
34
33.66%
Carbon buildup? What is that? Is Al Gore linked to this?
23
22.77%
Voters: 101. You may not vote on this poll
IS250 Carbon buildup Poll
08-05-23, 09:47 PM
#31
Intermediate
I was told to do 3100 mile/5000km oil changes to negate the carbon build up. I also use Chevron techron just before the oil change.
Audis are unreliable in general, so not sure why OCI on those models is being discussed here.
Audis are unreliable in general, so not sure why OCI on those models is being discussed here.
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