I'm VERY interested in the how's of leaning A/F mixture. I have a scangauge II, will it display A/F mixture? I've been noting when closed loop vs. open loop occurs. My car stays in closed loop up to about 90 Load, unless the throttle position is over about 75%.
The article you mentioned discusses cruising in open loop... My car doesn't do this. Does that mean that I cannot modify the A/F mixture at cruising speeds (55mph)?
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