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FirstMack

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    Lake, ms

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    2004 mack

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  1. FirstMack
    No is that the sensor you talking about or another one
  2. FirstMack
    No lightning bolt flash code. Code 22. Where you push cruise control decel switch and lightning bolt flashes and you count flashes. The picture of sensor is in the intake
  3. FirstMack
    Had in frame about 25000 miles ago done by Mack dealership. Sensor has not been replaced.
  4. FirstMack
    That sounds exactly like what it's doing it's like it's opening too early I don't have a boost gauge but I can put one on. When the truck is pulling hard at almost feels like a Miss in the truck
  5. FirstMack

    Boost code

    FirstMack posted a question in Mack Truck Q & A

    I have a 2004 Mack ch613 has an AC 427 engine noticed a little Miss in the truck yesterday when I got home I had the lightning bolt code did the flash test come up with code number 22 which says boost pressure just wondering what to do and where to go to track this problem down I am new to the big truck world

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