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Thread: What are the 5 engine states?

  1. #1
    Tuner in Training
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    What are the 5 engine states?

    i have been home sick past couple of days so I have been going thru every menu and tab on my editor and searching the forums
    one thing I have noticed is certain maps use "engine state" on one axis. 0-4 what is this a reference to? I was thinking idle, transition and full throttle but that's only 3? any thoughts on this?

  2. #2
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    Transient, High Air Density, Medium-High Air Density, Medium-Low Air Density, Low Air Density.
    Last edited by Jim P; 04-15-2019 at 01:42 PM.

  3. #3
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    thanks Jim! appreciate you spending time on the forum to help answer questions. something else I was trying to figure out was the refrence to "a" "b" "c" concerning governors, injection limits etc.

  4. #4
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    I?d have to know specifically which ones you are talking about to give a more clear answer

  5. #5
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    I was reading thru the starlite diesel manual. They say that engine state 0 is not transient but a “base table”. Which the ecm almost uses exclusively? They where referencing Efi live for 2006-2007, but their maps and tables where just about identical to my 05.

  6. #6
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    No, it almost exclusively uses your high air density table. I have seen low air density table being used before, during and after startup. Your so called ?base? is your transient table in HPT, I have seen it used under fast enough acceleration.

    Lots of tables are similar between the 04.5-05 and the 06-07 but there are differences.

  7. #7
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    Look at your air density select table. That table determines which air density table is used.

  8. #8
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    Transient is described as a positive rate of X amount of RPM/second