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P01/P59 vs MAF only A4 tuning

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05-23-2019, 09:26 PM

RonSSNova

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P01/P59 vs MAF only A4 tuning

I'm told that changing to a card style MAF......lowers the frequency reported messes up the trans tuning, Specifically the line pressure. Causes A4 failures.
It's seldom talked about.

Can someone enlighten me please?

Ron

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