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Thread: What would cause these pids to stutter?

  1. #1
    Junior Member jomobco's Avatar
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    Default What would cause these pids to stutter?

    This is a pretty stock 02 express van tune in my Jeep. The log shows a number of pids in what looks like a short circuit. Ideas?
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  2. #2
    Joe (Moderator) joecar's Avatar
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    Was that captured using V2 BBL...?

  3. #3
    Junior Member jomobco's Avatar
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    V2 passthrough to laptop with all the latest updates for BB logging. It was a new flash but I had a successful capture with the previous tune. I hadn't seen this before. I'm thinking ground perhaps?

  4. #4
    Joe (Moderator) joecar's Avatar
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    Yes, could be grounds.

  5. #5
    Joe (Moderator) joecar's Avatar
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    I was thinking that it might be a sensor ground problem (TPS, ECT), but then I saw IBPW1, SHRTFT1, AFR... these are not sensors...

    I see you're logging 29 channels... see this: showthread.php?p=71106#post71106

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