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Thread: 2009 STS-V MAF calibration

  1. #1
    Potential Tuner
    Join Date
    Feb 2020

    2009 STS-V MAF calibration

    Hello all. After installing the Spectre cold intake, I got the lean fuel mixture codes. I used an extra sleeve to reduce the diameter of the inlet pipe and the faults disappeared. Can someone tell me what I need to change in the tables in order to use the CAI at full power and remove this sleeve?

  2. #2
    Advanced Tuner PGA2B's Avatar
    Join Date
    Nov 2004
    St. Louis, MO
    Tune your MAF curve without the sleeve. Use the histogram for Fuel Trim vs MAF frequency or if you have a wideband you can set one up for that.
    2013 OBM A6 CTS-V Coupe
    Mods: 8.6 Lower, ID850's, NGK TR7IX's, Spectre Performance CAI, SRI Ported Throttle Body, 160* T-Stat, Hard Line Delete W/ 3/4" Lines, Billy Boat Exhaust, Stoptech Drilled & Slotted Rotors, EBC Redstuff, Cut Stock Springs, 6K HID Fogs, Full ATS-V Emblem Conversion, Full LED Conversion
    Mod Pile: Smooth Flow MPS W/ 2.4 or 2.5 pulley, Solid Isolator, FB 101 Front Mount HX, Pierberg CWA50
    2006 Black Raven STS-V (Traded In)
    Fully Modded: 459RWHP@5888rpm/451lbft@4696rpm