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  1. #1
    4th Gear

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    Jun 2006
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    A3 1.8T Air Flow

    First Post....

    Done some VAG-COM logs of Mass Air Flow on my new (new to me) 1998 Audi A3 1.8T Sport (150bhp AGU non-dbw).

    Got a peak air flow of 124.44 g/s @ 5920 rpm. Average peak flow over 3 runs (all 4th gear) was about 124 g/s. I reckon that equates to about 156 bhp (mass air flow X 1.28 (a factor i consider more realistic than the 1.32 many use)).

    How does this value shape up with other peoples stock A3's?

    Trying to decide how healthy she is before i get REVO.

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  3. #2
    bearthebruce's Avatar
    Ross-Tech, LLC

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    Take a look at this page: http://www.ross-tech.com/vag-com/cars/fuel-trim.html

    The Fuel Trim for that engine should give you just what you are measuring - around 120g/s. So, it would seem your A3 is spot on.

 

 

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