Egr valve

North Idaho Wolfman

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Equipment
L3450DT-GST, Woods FEL, B7100 HSD, FEL, 60" SB, 743 Bobcat with V2203, and more
Jun 9, 2013
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Sandpoint, ID
One thing that can do it is a leaking oil seal in a turbo.
Excessive idling or short runs can cause it to load up too.