so I recently aquired a holset turbo off of a fedex truck was told it had a cummins not surehis which engine or what turbo because there is no id tag on the turbo but the turbo is set at 30 psi of boost and looks to be a hx35 or similar turbo not sure. My problem is how do I get the boost down...
So I have the car code scanner and today i tried to do the TDCO learn. The best i could get was -0.53 with it sitting between -0.35 and -0.09 most of the time. i sat out there for a while trying to get it but gave up and decided to post on here. Could the timing chain be worn out and that...