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Thread: 16 tundra mag sc top end fueling problem

  1. #1

    16 tundra mag sc top end fueling problem

    stock airbox, cb exhaust only mods besides magnusson s/c. using mag fuel pump and injectors.

    on top end always getting this problem where it hammers the engine with fuel. goes off the chart. looking at the log though, you don't see it. i don't know if the log is not reporting correctly or what's happening. and you can see it's not always the same place. i have changed the torque tables, desired air load tables, anything i can think that would do fuel, but nothing stops this.

    only thing i see as different from others i've had is this is a flex fuel truck. in the log you'll see showing e78, it's on 91. mpg is garbage too. i know there were problems with how toyota was doing a virtual ff sensor and i'm wondering if this all related somehow.

    any help is appreciated.
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    Last edited by [email protected]; 03-22-2023 at 12:05 PM.

  2. #2
    Tuner in Training
    Join Date
    Mar 2019
    Posts
    11
    Im having the same issue, it seems to be no way of disabling the FF option on these computers.