Mine does this too and says EGR Delta pressure. But that's just because the def/dpf jazz, and egr has been deleted out of this truck, and it was turned to run wide openshes a triple digit midget for the last 3 years and running fine, 4 mpg.lol but power for days.
Best few hundred bucks you'll ever spend.
2010 Peterbilt 386 Cummins ISX
Discussion in 'Peterbilt Forum' started by rathergolf, Apr 22, 2015.
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