Posted by Rick in SC on Sunday, July 09, 2006 at 8:54PM :
In Reply to: OT: Cummins vacumn leak posted by Joel Wilkins on Sunday, July 09, 2006 at 10:52AM :
I have a 96 Dodge Cummins. I experienced the same problem. I found small holes in the hard plastic line that comes from the vacuum pump to the firewall. I've had this to happen a couple times. Check all the vacuum lines good and you should be good.
Rick