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Thread: Jtec map decel table wut

  1. #1

    Jtec map decel table wut

    What does this table do? I think it's causing my iac control issues with my iac staying open and not closing down coming down to a very well

    I have a two bar map sensor so keep in mind the kpa changes

    On this map sensir 66kpa is 0 vac

    After I go into boost it feels like the iac stays open and doesn't close down right until like a cold start or just randomly....
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    2000 Dakota R/T
    gt45
    42lb
    honda map
    10psi

  2. #2
    I changed the max allowed iac steps I cut it in half and the issue seems better
    2000 Dakota R/T
    gt45
    42lb
    honda map
    10psi

  3. #3
    Tuner in Training
    Join Date
    Jul 2012
    Location
    Colorado Springs, CO
    Posts
    42
    the throttle follower tables under Idle/Airflow influence how the IAC stays open after throttle. I have had the best luck playing with decay(rpm) if IAC stays open too much.

  4. #4
    Quote Originally Posted by joefus25 View Post
    the throttle follower tables under Idle/Airflow influence how the IAC stays open after throttle. I have had the best luck playing with decay(rpm) if IAC stays open too much.
    what adjustments do you think i should make?

    basically after boost it just stays at the open position and changes all the light throttle tuning
    2000 Dakota R/T
    gt45
    42lb
    honda map
    10psi