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Thread: 2006 Chevy Silverado 5.3 startup issues.

  1. #1
    Potential Tuner
    Join Date
    Dec 2022
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    Question 2006 Chevy Silverado 5.3 startup issues.

    Hey, I'm new to tuning and need some help.

    My 06 5.3 is having trouble stating up, on cold starts it'll start right up. However, when engine is warm it takes multiple cranks to start.

    I've never tuned before and need suggestions on what to do.

  2. #2
    Tuning Addict 5FDP's Avatar
    Join Date
    May 2012
    Location
    Rogers, MN
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    13,533
    Post the tune file and any log files.

    Also post a detailed list of mods done otherwise we got zero idea what you did to it.
    2016 Silverado CCSB 5.3/6L80e, not as slow but still heavy.

    If you don't post your tune and logs when you have questions you aren't helping yourself.

  3. #3
    Potential Tuner
    Join Date
    Dec 2022
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    8
    How do I do a tune file?

    2006 chevy Silverado 1500 4x4, 150,000 miles
    4 in lift
    off brand Holley intake manifold
    cold air intake
    Long tube headers
    Diablo monitor and tunes (made my truck run like crap)

    I'd also like to add a rev limiter on my truck if thats possible with the tuning software.
    Last edited by w.kaneyates; 12-05-2022 at 02:25 PM.