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Thread: O2 Sensor Spoofing...

  1. #1
    Join Date
    Oct 2020
    Location
    Oakland County Michigan
    Posts
    28
    My Cars
    2005 x3 3.0i (e83)

    O2 Sensor Spoofing...

    So I'm getting a "Stuck Lean" issue with a brand new lambda sensor, after installing a fun manifold (you know) and realizing that the post cats would not fit between the extended bung and side of the exhaust passage... I chose to put the included filler bolts in and live with the CEL.

    Of course in my infinite genius there was nothing plugged in to the bank 2 1 and 2 plugs, and having heard from someone that this could cause electrical gremlins, (beats me), I decided to wire up an o2 sim, instead of paying a million bajillion dollars for some, since they just seem to consist of a resistor and a capacitor.

    My question is, I read somewhere for bosch that you use a 1 mohm resistor, a 50ohm/12w capacitor(for heater), and a 1 uF capacitor.

    Does anyone have any experience with this to tell me if these numbers are right and/or give me any advice on what to do in this particular situation?

    (It should show but just in case its the e83 m54 3 liter)

  2. #2
    Join Date
    Nov 2012
    Location
    Westfield IN/Hinsdale IL
    Posts
    208
    My Cars
    2006 750Li, 2005 V70R
    Not sure about that but some cars a spacer will work. Called a spark plug non fouler, super cheap to buy and try. Might be worth a shot.

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