Quote:
Originally Posted by Def
I won't argue the tuning part of an S-AFC, as I don't like 'em when you use them on different injector/MAF combos than your ECU is calibrated for. But the closed loop fuel trim isn't as perfect as it sounds if you actually watch it on a wideband. Yes, there is a trim to get it pretty close to the target AFR(bouncing all over the place), but a change to the MAF voltage does tend to lean things out, especially since in general things are leaner on the lower load portion of the map on stock tunes.
|
Yea after getting my Nistune it quickly opend my eyes up and I sold the SAFCII I had with a quickness...lol....I know what you mean I have a wideband.