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Low Boost - culprit found EPBV

1K views 2 replies 2 participants last post by  Young-SC-Owner 
#1 ·
I was tracking down the classic low boost culprits on a buddy's truck. The boost pegged 3 psi at 70 mph and maxed at 7 or 8 psi at wot. I unplugged the EPBV and she's right back to full boost.
 
#3 ·
Glad you found the problem!!
 
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