Have a Prelude h-23a SCCA ITS car, put my motor back together and tested, was missing in the 5800-6200 rpm range. I coded a 23 which is knock sensor. Will a knock sensor cause a miss like that or do I have other problems??? I was using a mix of 93 and 103 octane, but I drained that and went straight 103, it seemed to help some but the miss was still there.

 

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