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jewels

Puppy Poster
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Everything posted by jewels

  1. having trob starting A Mack, 2011 mp8 engine, we blocked off all lines to tanks, fuel seperator, and installed 2 new filters, also made sure top and bottom chk valves were working. I only guessing its the primer pump... help
  2. I had the same issue w one of our macs, it drove me nuts, it was the Egr. It had a very small in crack that would only build pressure under loads, once I R/R Egr ran like a champ and never broke down again. Hope this helps, UPS mechanic.
  3. jewels

    Help

    Thx for the help. I know this is a new Rig.will appreciate any help !
  4. jewels

    Help

    I have a 2011 Mack cxu612 w a Mp7 engine, it has a fault code of spn 5394, dose anyone no what this is.
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