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Model specific boards => Golf mk4 => Topic started by: rio_gti on 12 October 2011, 13:18

Title: maf ok but lambda nackered?? wot result
Post by: rio_gti on 12 October 2011, 13:18

as above looks like the pre cat sensor is truly dead??
but the maf appears to be ok as i had 191bhp on the rollers......

(http://i1092.photobucket.com/albums/i408/rioracer/try.png)

(http://i1092.photobucket.com/albums/i408/rioracer/tryt.png)

Title: Re: maf ok but lambda nackered?? wot result
Post by: littco on 12 October 2011, 13:29

What makes you say the O2 is knackered? The accurate range for narrow band O2 sensors is the .400v to .800v or the 15.0:1 to 14.2:1 AFR ranges. Also there's no correction % which says it's behaving as it should.