montanacombineman
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Everything posted by montanacombineman
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04 vision, last week started making a funny whistle, but performance wasnt affected much. Then yesterday the turbo started going in and out, letting the egt heat way up and losing power. Cant find any leaks in the system, replaced the CAC less than 5000 mi ago, new injectors were put in at the same time. put a new relief valve in too. any ideas, thanks.
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E7 No Power
montanacombineman replied to montanacombineman's topic in Modern Mack Truck General Discussion
It has the Mack 18spd tranny, there is an intake-sensor code, and coolant sensor code...where would the torque sensor be located? -
E7 No Power
montanacombineman replied to montanacombineman's topic in Modern Mack Truck General Discussion
Have already replaced the supply pump, changed filters, etc. now wondering if there might be a short somewhere, if you have any more ideas let me know, i'm about to give up on these mack trucks. -
My '96 Mack E7 427 has no power, did a head job over the summer, it ran good for a few days, and now won't build more than 10lbs of boost, no black smoke anymore. Pressure checked the charge air cooler, replaced foot pedal and no improvement.
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