When asking for technical help at the very least let us know the version of firmware you are running.Cliff's Calibration (Mapping) Guide is a MUST READ: http://www.vemssupport.com/forum/index.php/topic,97.0.html
smurfinator, did you ever figure this out? I too have to do emissions and it won't pass if the CEL comes on every time they let off the gas. VemsHelp says to change 1.73 to a really high number to turn it off. I tried that and it doesn't work.