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Code ‘out’ the TPS at the Operating Rod

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    #1

    Code ‘out’ the TPS at the Operating Rod

    I have a track-only, 2005 manual transmission car with EML code issues. I have an Epic Motorsports tune.

    How hard would it be to learn…or would it be impossible because I’m using an Epic tune…to learn how to code out the top TPS - in order to get rid of the EML codes permanently?

    The EML situation is based on Code 118, and the engine goes into a partial limp mode - I would estimate 75% of max power.

    M150 - BMW S54 Throttle tracking issues | MoTeC M1 Software Tutorial
    https://www.hpacademy.com/forum/practical-dyno-tuning/show/m150-bmw-s54-throttle-tracking-issues/
    HiWe have an issue with the Throttle Servo / position tracking on a BMW S54. This has a motor below the throttle bodies with a position sensor attached and ...
    Last edited by OldRanger; 06-18-2026, 02:03 PM. Reason: Spelling
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    #2
    I'd call Epic...probably need the reading from the TPS.
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      #3
      OK, good news...I can call of the dogs on this request.

      I used Karter16's DS2 Tool to enable a comparison between a suspect sensor and a good sensor. I gathered enought data to conclude the TPS was bad, and that I didn't have some bigger issue.

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