Thanksjohan wrote:If this sound was not present when you first installed the tuner and started building progressively then you might have injector issues, quite common on the 06-07 cummins.
I will have it checked.
X2 MIA ?????????????Dodgezilla wrote:Man! I can't believe there has been no response from the DS guys. They were all over the forums a couple weeks ago. Now they don't come around at all......