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  1. Night rider 22

    Lift pump

    Thank you i just put the new tunes in last week and it just starves for fuel and lacks the power it should have with my new injectors and duramax tuners max tunes. This should wake it up at wot, I also have a cat filter to put on to, just trying to get this thing on for my first hook this year...
  2. Night rider 22

    Lift pump

    Finally going to set aside time to put my lift pump on kinda excited to have the power I want, been running my tunes from duramax tuner with 30% over injectors with no lift pump draining my fuel rails. Not fun can't wait to see the difference!
  3. Night rider 22

    help!!! ECM and tcm help

    The ECM was not tuned when I took It to a dealer I had a new one in the completely stock
  4. Night rider 22

    help!!! ECM and tcm help

    Kinda lost at what to do, the dealer can't figure it out nor will they do anything about it
  5. Night rider 22

    help!!! ECM and tcm help

    So having a big problem here, my ECM went to crap the other day so I put in a spare one, truck ran good until I got to our local dealership, I had them reflash my truck to take a ppe tune out, when I left I noticed my truck slammed into gear pretty hard and won't shift out of 1st gear, I also...
  6. Night rider 22

    Sluggish lb7

    I have no codes last code a threw was over boost, when I had the efi live tuning deleted out the guy re flashed it to an 02 cause he updated everything
  7. Night rider 22

    Sluggish lb7

    No lift pump yet I have one iv just been waiting on some nice weather to instal it, iv been planning on getting the trans built it's stock with 241,000 on it just hard to save the Money
  8. Night rider 22

    Sluggish lb7

    Yes it's revving and not pulling for a few seconds but when it finally shifts it pulls, even when I'm merging onto the highway all it does is rev and slowly gets to speed,also my egts were reading 1500 during my 0-60 probably normal with no tuning?
  9. Night rider 22

    Sluggish lb7

    Anyone? Figured I'd try this forum since I got no help on the last forum
  10. Night rider 22

    Sluggish lb7

    Hello guys new to this site, I have a 2001 lb7 that seems really sluggish, all my info should be in my signature, from a 0-60 launch it launches fine. Once it shifts into 3rd and 4th it takes forever to shift and pretty much falls on it's face even when I had my efi live in it, I put it back to...
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