Quote:
Originally Posted by yomny
Trying to attach a few logs I've taken.. see if anyone could check out. These are all city drives with the "morning" one having a lot of idle time as i sat in traffic and the rest have some mild throttle applied.
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Was this done on a dyno? From those logs and how super low the timing is, one can make the assumption you're either running 87 octane fuel or there's something in your engine bay making a ton of racket and making the knock sensor go crazy. The timing map is in various spots makes one wonder. The IAM being super low is a result of the knock sensor feedback -- although it may not mean much as you can tune the timing maps to shift very little if none at all due to the IAM.
You're also seeing stoich AFR's while making boost, and you really should be seeing some enrichment when boost comes in -- the leaner AFR in boost will cause cylinder temps to shoot up which can cause some detonation.