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About CCMtruck

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    Engine Started

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  1. Thanks for the info. I'll give it a shot
  2. Still struggling to repair this SCR issue if anyone has any ideas. I have even gone as far as reprogramming the ecm and acm. Same active codes are still there.
  3. 2014 Mack LEU613 came in with active codes P100000, P208E00, P110386. Removed def doser to test and found hardened def build up in pipe. Cleaned out pipe. replaced def doser and the P208E00 became inactive. Performed a scr crystal sublimation test and P100000 & P110386 were still active. I have tried several different test and procedures to clear out code and nothing has worked. Any ideas?
  4. Update: Just like steeler said. I found aluminum pieces in the inlet side of the ecm cooler plate. Its the simple stuff we forget sometimes.
  5. I will check it today. Thanks for the info.
  6. I need a fuel guru! I'm working on an 2012 LEU613 with an MP7. The fuel pressure starts off great (55psi) but under a load it drops (12 psi). To make a long story short. I have already replaced fuel filter housing, fuel pump and conical injector cups. I have even gone as far as replacing the suction fuel line because i was running out of ideas. I though i had it cured because the fuel pressure returned but slowly started dropping. The engine never dies, it just doesn't have power.
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