Can anyone point me to a FAQ or explain the difference between MAP and MAF sensors and a why one would be better (or worse) than the other. Thanks, John. Pioneers are the ones, face down in the mud, with arrows in their backs. Automation Artisans Inc. Ph. 604-544-4950 6468 Loganberry Place Fax 604-544-4954 Victoria BC CANADA V8Z 7E6