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  1. #1
    Veteran Member Three Rings
    Join Date
    Nov 21 2012
    AZ Member #
    104477
    Location
    BC

    Acceptable maf reading at idle?

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    Can someone enlighten me on what block is for maf g/s and the range it should be in at idle?

    Sent from my motorola one 5G ace using Tapatalk
    2000 S4 - Daily
    1989 MR2 Supercharged (Turboed)

  2. #2
    Veteran Member Three Rings 1thenaton1's Avatar
    Join Date
    May 13 2010
    AZ Member #
    58947
    My Garage
    ^, Q7 TDI
    Location
    SLC

    It's pretty clear if you open VCDS measuring blocks. 002 will show you MAF g/s

  3. #3
    Established Member Two Rings
    Join Date
    Oct 15 2021
    AZ Member #
    633781
    My Garage
    2000 Audi S4 - Full Stage 3, 2003 VW MK4 GTI - Big Turbo / 2016 Subaru WRX Limited
    Location
    Illinois/United States

    The MAF reading at idle depends on many factors, mostly condition of the vacuum system. I believe it should be around 5 g/s at idle. You can measure block 002. You can also log block 003 while doing pulls to see what you're g/s reading is while driving.

  4. #4
    Veteran Member Three Rings
    Join Date
    Nov 21 2012
    AZ Member #
    104477
    Location
    BC

    Quote Originally Posted by 1thenaton1 View Post
    It's pretty clear if you open VCDS measuring blocks. 002 will show you MAF g/s
    Thanks

    Sent from my motorola one 5G ace using Tapatalk
    2000 S4 - Daily
    1989 MR2 Supercharged (Turboed)

  5. #5
    Veteran Member Three Rings
    Join Date
    Nov 21 2012
    AZ Member #
    104477
    Location
    BC

    Quote Originally Posted by evalegacy View Post
    The MAF reading at idle depends on many factors, mostly condition of the vacuum system. I believe it should be around 5 g/s at idle. You can measure block 002. You can also log block 003 while doing pulls to see what you're g/s reading is while driving.
    That's what I was looking for, thanks.

    Sent from my motorola one 5G ace using Tapatalk
    2000 S4 - Daily
    1989 MR2 Supercharged (Turboed)

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