TFI and O2 sensors

Discussion in 'Touring Models' started by bah rk, Mar 6, 2010.

  1. bah rk

    bah rk Member

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    Hello again, any one can explain to me why i should disconnect the O2 sensor cable if am running TFI on my bike (2009 FLHX)??
    and how it will work with the SE PRO EFI SUPER TUNER with stage 1 download??

    Regards,
     
  2. Chopper

    Chopper Senior Member

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    If you are running a super tuner you do not want a TFI and if you have a TFI you would not be running a super tuner. They are two different fuel management systems. the TFI is a fueler and the SEST is a tuner that adjusts fuel & timing.