MAF changes to negative values

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joergfs
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MAF changes to negative values Jun 5, 2017 13:11:00 GMT

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Post by joergfs on Jun 5, 2017 13:11:00 GMT

Hello,

I recorded on my Audi S4 4.2 B7 the values from the MAF and the rpm. I get some weird records, around 170 g/s MAF the values changes to -170 g/s and goes to around -110 g/s. This is value at around 6680 rpm.
If I use an cheap ODB interface and a other software I get a maximum value of around 260 g/s which I guess is more realistic. Is there a calculation error in the software from ODBeleven?
I recorded on the channel 3 value 1 and 2 and also on channel 2 value 1 and 4. On both records the same result.

Regards
Joerg

mk6driversgroup New Member Posts: 5	MAF changes to negative values Jan 11, 2018 14:11:52 GMT Quote Select Post Deselect Post Link to Post Back to Top Post by mk6driversgroup on Jan 11, 2018 14:11:52 GMT YES mine does the same thing! I even ordered a new MAF $130.00 later only to find out it is a problem with the App..

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MAF changes to negative values

Post by joergfs on Jun 5, 2017 13:11:00 GMT

Post by mk6driversgroup on Jan 11, 2018 14:11:52 GMT

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