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  1. 01-04.5 LB7 Duramax Powertrain
    I need help trying to diagnose an issue I have with my 04' LB7. I've noticed two issues with it. Right away when accelerating it feels like it has zero power and then when still trying to accelerate it takes off like a bat out of hell until backing off the accelerator and then issue is gone...
  2. 01-04.5 LB7 Performance Parts Discussion
    I've added a AFE Stage 2 Si Cold Air Intake to my '03 LB7 and have had slow throttle response ever since. I can go back to my stock air box and response returns. AFE guys have been great but cannot explain why this is occuring to my truck. I have tried cleaning the Mass-Air Flow sensor with CRC...
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