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Thread: Idle tune need help

  1. #1
    Tuner in Training
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    May 2023
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    Idle tune need help

    So I have this gen 4 5.3 stock truck injectors, intake manifold, TS Low lift stage 2 cam, maf 213-4222. not sure what other detail would be important but I modified the tune to get it running and it starts for a few seconds and it dies, if I play with the throttle I can keep it running and after a little time it stays running at idle. I have a wide band O2 and seems very rich not sure if that is my issue but I don't know much about tunning and don't want to go crazy with the tune. I will attach the tune and two log if someone can check them out and give me their opinions that would be much appreciated.

    samurai 2.hplsamurai1.hplSamuraiidle-idle new 2.hpt

  2. #2
    Senior Tuner
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    And this is a swap vehicle?

    Never mind, this is the Frankenstein truck.

  3. #3
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    Quote Originally Posted by gtstorey View Post
    And this is a swap vehicle?

    Never mind, this is the Frankenstein truck.
    is she famous now?

  4. #4
    Advanced Tuner Cringer's Avatar
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    Quote Originally Posted by toroz06 View Post
    So I have this gen 4 5.3 stock truck injectors, intake manifold, TS Low lift stage 2 cam, maf 213-4222. not sure what other detail would be important but I modified the tune to get it running and it starts for a few seconds and it dies, if I play with the throttle I can keep it running and after a little time it stays running at idle. I have a wide band O2 and seems very rich not sure if that is my issue but I don't know much about tunning and don't want to go crazy with the tune. I will attach the tune and two log if someone can check them out and give me their opinions that would be much appreciated.

    samurai 2.hplsamurai1.hplSamuraiidle-idle new 2.hpt
    This should help...but she is looking really lean. You will need to add fuel.

    Samuraiidle-idle new 2 - 1.0.hpt
    A standard approach will give you standard results.

    My Tuning Software:

    VVE Assistant [update for v1.5]
    MAF Assistant
    EOIT Assistant

  5. #5
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    Quote Originally Posted by Cringer View Post
    This should help...but she is looking really lean. You will need to add fuel.

    Samuraiidle-idle new 2 - 1.0.hpt
    Wow I was way off I thought I was rich! Thanks for you input