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Thread: Anyone useing the 3.3 Bar Delphi Map sensor ?

  1. #21
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    Quote Originally Posted by joecar View Post
    In the tune there is a MAP sensor scaler, look in Engine Diagnostics -> MAP.
    ???????????????

    isn't that the PID I've been changing??????
    engine diagnostics;map;parameters

  2. #22
    Joe (Moderator) joecar's Avatar
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    You ask the question:
    is there a PID that tells this COS to switch to 2/3 bar?????
    A pid is log data that is read from the PCM... so I'm confused by your question.

    I see from rereading your post that you are editing the scaler... you may have to also edit the offset.

    I still don't understand what your question is asking.

  3. #23
    Joe (Moderator) joecar's Avatar
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    Are you asking how does the COS know to go from 1-bar operation to 2-bar and beyond...?

    The COS knows to go the the Boost VE table when MAP exceeds 105 kPa (the last column in VE table).

    Ah, I think now I know what you asked.

  4. #24
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    Quote Originally Posted by joecar View Post
    You ask the question:


    A pid is log data that is read from the PCM... so I'm confused by your question.

    I see from rereading your post that you are editing the scaler... you may have to also edit the offset.

    I still don't understand what your question is asking.
    I've tried editing both scaler and offset. can not even come close
    example;
    460/10 = 104 at koeo
    at 50 mbar of vacuum it reads about .1 volts and 10 kpa
    with the stock sensor and tune it reads about .5 volts and 38 kpa
    confused????????????

  5. #25
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    Quote Originally Posted by joecar View Post
    You ask the question:


    A pid is log data that is read from the PCM... so I'm confused by your question.

    I see from rereading your post that you are editing the scaler... you may have to also edit the offset.

    I still don't understand what your question is asking.
    oh,
    i thought a PID was a;
    Pee Eye Dee
    proportional integral and derivative gain for a feed back loop
    so, I call all the settings PID's
    example "this operating system has other 300 PID's"
    am I saying incorrectly?
    should I just say calibrations?

  6. #26
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    I see the confusion, PIDs are parameters to log in the Scan tool. The calibration usually refers to the program/tune currently IN the controller, when you change the calibration you're changing tables and/or parameters.
    ~Erik~
    2013 Sonic RS Manual - 1.4L I4T E78, tuned, turbo mods, etc.
    2008 TrailBlazer SS 3SS AWD Summit White - LS2 E67/T42, bolt ons, suspension, etc.
    2002 Chevy TrailBlazer LT 4X4 Summit White - 4.2L I6 P10, lifted, wheels, etc.

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