I recently installed my VAFC II and several other parts on a 97 B18C1. The guys at the shop in my area are morons ....I had a base VAFC untuned at 151whp this is with AEM V2 intake, MSD wires, Jackson Racing cat, Greddy Evo II cat back, DC sports ceramic 4-2-1 header, and a B&M fuel pressure reg. Well after they tried to tune it I was at 170whp......I left the shop and 10 min later my check eng. lght came on....so I went home and re-adjusted it and now my light is off...anyone got some help for the newbie? I know alot about the cars just not this fkin computer. thanks for anyones advice.

 

could be your running to rich/lean and the o2 sensor doesn't like whats its seeing

 

At first it was running too rich on bottom and a little lean on top....I fixed that but I havn't had a chance to get back to the dyno and I'm still not sure what all the rest of the adj. are on that. Any ideas and tips on using the comp?