Sorry it was so long, please fast forward to 4:43-4:48 in the log, this 6.2L Cam'd (229/244 .630"/.615" 113+4) has a weird move in the AFR commanded. Some times this will even make for an idle surge. It forces Open Loop and than returns.
Anyone seen this?
I've done this setup many times and never seen this.
Might be the cat test. The cat test is still active in that tune file.
2016 Silverado CCSB 5.3/6L80e, not as slow but still heavy.
If you don't post your tune and logs when you have questions you aren't helping yourself.
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