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About Mackengine

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    Engine Started

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    classic vehicles

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  1. Mackengine

    MP7 engine

    we have an 06 MP7 with a miss, computer saying injector #3. are there any special tools needed to perform this ?
  2. Mackengine

    low air buzzer

    I think it is behind the D panel
  3. the switch should be on the parking brake valve. I have seen guys take them out when they go bad and put a plug in place of it .
  4. Mackengine

    Mack DM Shutting off (fuel problem)?

    does it have a kysor system on it. I have seen these with a loose ground wire on the air cylinder shut vehicle down. also check for smashed fuel line from tank to pump. hope this helps
  5. We recently purchased 10 03 CV 713 with automatic transmission's . when sitting in traffic with load on or on a hard pull some of them are overheating, have changed fan clutches on a couple of them and they still overheat. any suggestions would be appreciated.
  6. Mackengine

    cv713 gauges not working

    great thanks we will give that a try
  7. we have a cv713 all gauges have stopped working .

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