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Thread: Desired vs. Actual Airflow ('14 Ram 1500)

  1. 04-11-2021 #1
    sPHYNX
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    Desired vs. Actual Airflow ('14 Ram 1500)

    Hi all,
    I ran a log earlier, trying to figure out why my TB only opens to 76.1%. When looking at this, I also noticed that my desired airflow is always higher than the actual airflow. I've added the scan, any help or idea on the difference appreciated.

    Thanks,

    V1b.hpl
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  2. 04-11-2021 #2
    Hemituna
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    TB has a 5v sensor. 5v x 76.1% = 3.8v which is the max commanded at WOT.
    Desired airflow is usually a little higher than actual...if actual gets too high, PCM may close the TB on you and who wants that right?
    So all is good...
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  3. 04-11-2021 #3
    sPHYNX
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    Quote Originally Posted by Hemituna View Post
    TB has a 5v sensor. 5v x 76.1% = 3.8v which is the max commanded at WOT.
    Desired airflow is usually a little higher than actual...if actual gets too high, PCM may close the TB on you and who wants that right?
    So all is good...
    Thank you sir, much appreciated.
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