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Thread: 2017 GT with roush supercharger - knock and big lambda diff bank2bank

  1. #1

    2017 GT with roush supercharger - knock and big lambda diff bank2bank

    hi there
    i got here 2017 mustang gt with roush supercharger. it came with rebuild engine. drives sounds fine on low rpm or idle, but when pushed it starts knocking, afr on one bank much leaner than other. i thought maybe its cam timing related but log doesnt show much of the problems there. i suspect mechanical issue but just nothing comes to mind..log4.hploriginal_tune.hpt
    2018 mustang gt a10 with headers and e85

  2. #2
    Will you add O2 B1S2 and B2S2 voltage and relog idle until the fuel system reports ready? It looks like your driver-side Wideband O2 sensor melted a wire to the exhaust. I want to compare what your widebands read compared to your narrowbands

  3. #3
    Advanced Tuner Programmer's Avatar
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    Thank you for posting that file.

    I've been having an issue with a 2017 Mustang Rousch SC streetrod, and your file had the ETC body corrections that are actually right for the larger TB also used in the V10.
    2009 Cadillac CTS-V 196.7 MPH on the Salt
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