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      01-20-2013, 11:14 AM   #14

Drives: AW 1M
Join Date: Oct 2010
Location: Wash, DC

Posts: 2,531
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Originally Posted by Lifted07Duramax View Post
Not to thread jack but my vrsf dps will be going on soon and I have a jb4. Will I need the dp fix or will the jb4 take care of my codes and they won't pop up
As I understand it, the JB4 will take care of the check engine light but you'd still need dp fix to show readiness for purposes of an OBDII emissions inspection (if required by your jurisdiction).