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soot

  1. Soot from my exhaust

    Performance Mods - Engine - 4.7 Liter V8
    my truck has about 59K on it. At about 57K I installed a K&N CAI and a Flow master catback (Dual) exhaust. I have noticed an increase in soot collecting at the tail pipes. Seems like it might be running rich. I do not have a tuner (yet) and everything else is stock. I replaced the upper...
  2. Soot

    5.9L V8 Specific Topics
    Ok, so have any of you had this problem? I start my 94 5.9 and get black soot out the tail pipe. If i let the truck run for a while, the truck will rev on it's own and that check engine light will come on. I have tried to scan for codes but the scanner said that it was unable to connect. If the...
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