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Mack Technician

Pedigreed Bulldog
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Status Replies posted by Mack Technician

  1. Seriously I'm reading about people (Mack owners) complaining about mack power loss, and I'm a driver all my life in the Mack. My 1999 CH 613 was so reliable truck sold with 2 milion miles never problem with anything, but reason to sell was loss of power, gears droped uphill with empty Double drop trailer. Now I have nice ride (compared with CH) CXN613 that was so strong that Pete with C15 Cat could not run away from me on big hills.... until same thing happens. One day it starts idling 500rpm I fix that but turbo boost drops from 40lbs on hill to 28-30  dropping gears on every hill and nobody knows why. I learn a lot about Macks and trust me it's still good solid truck compare to others but this issue really getting on my nerves and I wish that someone of this Mack specialist can answer this Virus attacking this engines, I didn't run into nobody yet but those part changers to ask me did I check this and that...filters 🙄🙄🙄, or telling me it maybe this maybe that. I can't listen to it no more. I love this stubborn trucks but if they don't fix this issue I will be forced to.... buy another MACK 

    1. Mack Technician

      Mack Technician

      You ever consider just putting the EGR delete module in?

    2. (See 3 other replies to this status update)

  2. Seriously I'm reading about people (Mack owners) complaining about mack power loss, and I'm a driver all my life in the Mack. My 1999 CH 613 was so reliable truck sold with 2 milion miles never problem with anything, but reason to sell was loss of power, gears droped uphill with empty Double drop trailer. Now I have nice ride (compared with CH) CXN613 that was so strong that Pete with C15 Cat could not run away from me on big hills.... until same thing happens. One day it starts idling 500rpm I fix that but turbo boost drops from 40lbs on hill to 28-30  dropping gears on every hill and nobody knows why. I learn a lot about Macks and trust me it's still good solid truck compare to others but this issue really getting on my nerves and I wish that someone of this Mack specialist can answer this Virus attacking this engines, I didn't run into nobody yet but those part changers to ask me did I check this and that...filters 🙄🙄🙄, or telling me it maybe this maybe that. I can't listen to it no more. I love this stubborn trucks but if they don't fix this issue I will be forced to.... buy another MACK 

    1. Mack Technician

      Mack Technician

      Had a truck in our fleet baffle everyone for months. Was a cummins. They (dealership) started stripping it apart. I took a shot and couldn't find it. Smooth loss of power, ran great, no power. Ended up being the injector drivers in the ECM.  

    2. (See 3 other replies to this status update)

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