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I have been running the stage 2.1 dual tune on my 2018 Accord 2.0t Touring for 2 months now. After a few weeks of use I noticed consistent knock count while driving (sometimes can physically feel the knock). My knock control seems normal compared to other posts at around .50-.55 under normal driving. After each pull I do the knock control will raise 0.1. Having had it get to .74 after doing two pulls back to back.

I know fuel quality can lead to this, but I have run 93 octane from many different stations and even states all of which give me around the same result in terms of knock.

My question is could there be something else to reduce these numbers?
- Would gapping the spark plugs for the higher octane help?
- I run down to low 11 with my AFR. Could me running too rich lead to pre-detonation?
Or is there something else I need to look into.

The only other thing done to my car is a K&N Typhoon Cold Air intake.

Thanks in advance!

Sounds like everything is doing just fine.

We can't make suggestions about your spark plugs.

If you see the WOT Enrichment target table in the tune you can see what is commanded. You can also see the command under AFR.CMD in the datalogging list. If AFR is reaching AFR.CMD then you're right on target.

Is there nothing more I can look into or do to reduce these numbers?

You can certainly tune it or have it tuned by a professional. KTuner is tuning software, after all.