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Posts posted by Jeffrey Baker
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For SPN1127
It says in the book that boost pressure is too low in the turbo charger and likely sources are air leaks in the hoses, pipes or cooler or the EGR failure
For SPN102
Deals with the Intake Manufold Pressure - Pressure sensor output is too low. Likely causes are a fualty harness, intake manifold pressure sensor or inlet air leakage
I am not very mechanically inclined so that is all I have for you coming from their Codes book
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The only thing that I have had issue with my m-drive is the programing needed to be tweaked. I am running two and will receive a third in a few weeks. The two trucks had different programing (might have been a bit of hte learning the transmission does) the one you had to pretty much stomp on the break in order for it do downshift. A quick reprogramming and it seemed to fix the issue.
Based on your avatar it looks like you work for Trimac. Around here they seem to be the last fuel hauler to pick up Macks but saw one sitting at the dealership ready to be taken home last night.
New Mack News
in Modern Mack Truck General Discussion
Posted
Con-Agg Show starts in Vegas on that date so it would probably fall in line with the granite. M-Drive added to the granite lineup would make sense.