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Thread: 2016 silverado 5.3l cat delete

  1. #1
    Potential Tuner
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    Oct 2019
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    2016 silverado 5.3l cat delete

    Has anyone done a cat delete... not sure what it is that I am doing wrong but codes still show on the diagnostics (no check engine) but truck will not stay on while remote start!?!
    does any one know the steps to folllow???

  2. #2
    Tuning Addict 5FDP's Avatar
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    May 2012
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    Rogers, MN
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    Post your tune.
    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
    Tuner in Training
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    Oct 2018
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    Post the file and we can check it out.

    Did you disable those codes that show up? Disable every code dealing with bank 1 & 2 sensor 2. Also the catalyst efficiency codes. Uncheck ses light and choose no error reported.

  4. #4
    Potential Tuner
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    Oct 2019
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    Quote Originally Posted by 5FDP View Post
    Post your tune.
    I just did a bit more work to it I have not loaded it on to the truck yet....
    Attached Files Attached Files

  5. #5
    Potential Tuner
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    Oct 2019
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    I set all the ones I found from bank 1 and 2 sensor 2 to (no error reported) do I need to Uncheck SES as well?
    Thank you guys for junking in to help!

  6. #6
    Tuning Addict 5FDP's Avatar
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    May 2012
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    Yes, you have to uncheck the SES box.

    Some codes are permanent DTC's that won't just go away, they may stop coming up after a while though.
    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.