Front and Rear Oxygen Sensor Codes

Discussion in 'Engine, Fuel and Exhaust' started by motoman41, May 6, 2015.

  1. motoman41

    motoman41 New Member

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    Hi Everyone,
    This is my first time so thanks for your help.
    I bought a 2006 FXSTI in March. I just started riding it and the engine light comes on.
    The diagnostic comes up code P0154 rear oxygen sensor inactive and P134 front oxygen sensor inactive.
    I reset the codes but they come on after 1 mile.
    From what I understand the 2006 does not even have oxygen sensors on it.
    The bike does have screaming eagle exhaust.
    since I bought it used I do not know if any thing else was done to the bike.
    It only has 4000 miles.
    Any help or suggestions would be greatly appreciatet.
    Thanks, Rick
     
  2. cdn-bigfoot

    cdn-bigfoot Junior Member

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    Rick, look at the pipes several inches down from where they bolt to heads. Are there wires coming from plugs that are about the size of spark plugs?

    I'm pretty sure the 2006 FXSTi would have originally come with O2 sensors. If someone has done away with them it would explain your codes.
     
  3. tourbox

    tourbox Senior Member

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    In '06 only the Dyna's had the 02 sensors. The rest came with 02 sensors in '07. I wouldn't think you should that code unless some download is causing it. Do you have some type of fueler on it?
    tourbox
     
  4. motoman41

    motoman41 New Member

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    Thank you.
    I will check when I get home.
    I appreciate the help.
    Rick
     
  5. motoman41

    motoman41 New Member

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    I am not sure. Thanks for the help.
    I guess I will take it to the dealer to check it out.
    Again thank you for yor help.
    Rick
     
  6. Jack Klarich

    Jack Klarich Expert Member

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    Check your VIN, 07 models all had o2 sensors only the Dynas did in o6
     
  7. Jack Klarich

    Jack Klarich Expert Member

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    [​IMG]
    Here is your main wiring diagram I see NO wires for O2 sensors for your bike
     
  8. motoman41

    motoman41 New Member

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    Thank you.
    It must be something with the computer