Jacob 1996
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Posts posted by Jacob 1996
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I have a 2008 Mack mp8 with loss of power down low and eng brack not working on the harder setting but is working on the low setting it seems to me like the eng bracks are still haff on or somthing when trying to get up in the revs seems to go ok up in 13 revs it’s all most like it’s stoping it from makeing boost in low revs
Engine Brake
in Modern Mack Truck General Discussion
Posted
From stop start it make no boost until 13 revs so when driveing atm him have to to realy rev it it out to case want make boost till 13 revs and at the same time the hard setting on eng brack stoped working all at the same time so it’s like it has somthing to do with the end brack but eng bracks will work on the week setting