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Thread: 07 Jeep 5.7 idel changes wont take.

  1. #1
    Tuner
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    07 Jeep 5.7 idel changes wont take.

    Hey all.
    I have all the start up adders zeroed out but still have high idle at start up. Is this something doing a full write vs a calibration might cure? Or does anyone have any other thoughts.

    Thanks

  2. #2
    Advanced Tuner N2speed's Avatar
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    post the tune file


    www.n2speed.com
    http://www.amp4x4.com
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    Dodge And GM Tuning Suppport
    Diablosport CMR | HP Tuners

  3. #3
    Advanced Tuner rays04gtx's Avatar
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    Quote Originally Posted by StupidJeep View Post
    Hey all.
    I have all the start up adders zeroed out but still have high idle at start up. Is this something doing a full write vs a calibration might cure? Or does anyone have any other thoughts.

    Thanks
    What's High Idle ? 1500 , 1800 ?
    Do all your Idle tables have the same Hi-Low #s (Table 35500,35502,35504,35506).
    Has the Intake ever been off ?
    How long have you had this 07 ?

    We had an 08 5.7 jeep that did some funny things, on start up it would hover arond 1900 RPMS for a few mins come down to 1200 with a target of 784, and just would not settle under 1k, I was convinced there was a vacum leak some where, couldn't fine one, pulled the intake off put new gaskets on it chcecked every thing we could think of.......
    In the end we brought table(s) 44230 and 44231 down to 150RPMS over our highest Idle #s in the 355XX tables, thing still was not right, but the 1900 RPM hovering thing stopped , it hovered around 1200 , then would step down to 900 , but would not go under that , owner traded it in....I would of liked some more time to find issue.

    Post the current tune...there could be something that N2speed or some other the others will catch that could be the issue.
    Last edited by rays04gtx; 10-02-2022 at 10:02 AM.
    62 Biscayne 425/409 SS/D stock class car 10.60s
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  4. #4
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    Ive had the jeep for 5 years, did and HRT stage 2 cam a couple months back, been slowly figuring out the tune. It will idle down to the set idle but just the start up RPM stays high all the time.


    I think the tune was added here...laptop is not cooperating today...
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