Originally Posted by semtex

Hmm...I'm not so sure it would though. Well, let me phrase that a little differently. It depends on whether or not the canned map properly takes into account all these mods that causing people's cars to run lean. I'll be very interested to see your results. It should settle this particular question once and for all. I certainly hope it takes care of the AFR. Less hassle/effort/expense for those who are just looking to correct their AFR!