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Thread: stock 5.3 2000 silverado

  1. 07-07-2021 #21
    Undre75
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    Attachment 111508
    Hey 5FDP, i changed my O2's and those are good. Now I'm getting readings from them both. Now my other issues is my MAP reading 104pka. When key is off MAP reading 12kpa but with key on it jumps right back to 104kpa. Any suggestions on addressing this would be greatly appreciated.
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  2. 07-07-2021 #22
    Undre75
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    Quote Originally Posted by 5FDP View Post
    Double check that the scanner is reading it correctly. Try removing the MAP sensor channel in the scanner, then connect to the vehicle with the scanner, click vehicle at the top and down to re-poll for supported parameters. Re-add the MAP channel back into the channels list and start scanning again. See if the channel still reports 104kpa all the time.
    Attachment 111510
    Hey 5FDP, i changed my O2's and those are good. Now I'm getting readings from them both. Now my other issues is my MAP reading 104pka. When key is off MAP reading 12kpa but with key on it jumps right back to 104kpa. Any suggestions on addressing this would be greatly appreciated
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  3. 07-07-2021 #23
    5FDP
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    Is it the right part number MAP?
    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.
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  4. 07-07-2021 #24
    Undre75
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    Quote Originally Posted by 5FDP View Post
    Is it the right part number MAP?
    I've changed the thing 3 times, I went to summit and got a new map sensor and the rubber tip was gray but the others were red or orange and all three have different part numbers
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  5. 07-07-2021 #25
    5FDP
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    What are your MAP settings in the tune file?
    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.
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  6. 07-07-2021 #26
    Undre75
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    Quote Originally Posted by 5FDP View Post
    What are your MAP settings in the tune file?
    Attachment 111511

    here's my tune file
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  7. 07-07-2021 #27
    5FDP
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    The settings are right for a stock 1 bar sensor.

    If it's not the scanner reading it wrong, then something is up with the wiring.
    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.
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  8. 07-07-2021 #28
    Undre75
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    Quote Originally Posted by 5FDP View Post
    The settings are right for a stock 1 bar sensor.

    If it's not the scanner reading it wrong, then something is up with the wiring.
    my harness is from geartronics
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