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has any one noticed it gets richer the faster you go. like 12.0 afrs in second gear then 11.8 in third and 11.6 in fourth as an example. car in question is an 2011 ctsv. so am i correct that there is a fuel enrichment vs gear or speed in the e67 that we cant change.
It's a result of MAF filtering rates.
OK so what do people normally do just tune to desired afr in just third gear or fourth gear. And let first and second be slightly leaner. Or tune it till like second gear is to your desired afr and let the higher gears get richer. Or can I modify the filter rates till all gears stay the same.