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Thread: Surging idle?

  1. #1
    Potential Tuner SwampWS6's Avatar
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    Jun 2015
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    Surging idle?

    What would cause a surging idle? I installed a MSD2313 3 bar map. Would this issue come from installing a 3 bar vs the stock 1 bar? Anyone have a part number for a LS 3 bar map?

  2. #2
    Tuning Addict 5FDP's Avatar
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    May 2012
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    Rogers, MN
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    Did you change the linear and offset settings for the MAP sensor?

    Is this for a boost setup and is the rest of the tune going to be for boost?

    Post the tune as well.
    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 SwampWS6's Avatar
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    Jun 2015
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    5
    Yes.

    Yes.

    And here's the tune...
    Attached Files Attached Files