jibby54 Posted September 24, 2011 Report Share Posted September 24, 2011 when scanning my car it has reading for MAF but does not have one yet the info it puts out goes up and down with AIR FLOW,on other days I swear it was saying :0: so I thought this is correct because not there or does it some how just use MAP to figure it out? thanks Quote Link to comment Share on other sites More sharing options...
White93z34 Posted September 24, 2011 Report Share Posted September 24, 2011 They ONLY operate on Speed Density (MAP) what you are seeing is likely the computerized guesses MAP makes as to the AFR Quote Link to comment Share on other sites More sharing options...
jibby54 Posted September 24, 2011 Author Report Share Posted September 24, 2011 Ok thanks,I swear before this was saying 0g on this Maf thanks again Quote Link to comment Share on other sites More sharing options...
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