superstroked
New member
I am up in red river , NM at about 8500ft and I am having some issues that are all related I am sure. I have been running the spartan 275 tune which is an EGR off tune. At idle, the truck is not making boost like normal(usually about 3.o on the Dasdaq, now only like .4). Also, the truck will not make more than 25 lbs of boost at wot. From an idle taking off, it has some excessive rattle until it gets a little boost. Yesterday, it threw a turbo duty cycle code of some sort and like a dummy I just cleared it as I was not noticing any issues at the time so, I don't know what the code number was. I checked the boots on the intercooler and they were fine. Could this be an EGR issue? is it a VGT issue? Also, I have switched the tune back to the 125 tune which should be an EGR tune and when monitoring EGR, it never changes off of 0% even when it is fully warmed up. If you have had the problem or have an idea of what it could be, I would appreciate the help.