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Fuel pressure question

This is a discussion on Fuel pressure question within the General Help forums, part of the LSx Technical Help Section category; yeah....I got it. I don't see anything out of the ordinary. No knock through the whole run and the trims ...

  1. #21
    Veteran 0rion's Avatar
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    98 Formula
    06 duramax

    yeah....I got it. I don't see anything out of the ordinary. No knock through the whole run and the trims and voltages don't really look to me like there's anything going on there. Sure it's ping you're hearing?

  2. #22
    Veteran 0rion's Avatar
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    98 Formula
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    ps

    S1 are the O2's you want to look at....those are your front (upstream of the cat sensors). S2's are post cat or downstream.
    Last edited by 0rion; 04-21-2011 at 05:50 PM.

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