Recent content by sidewaysboy

Unit is a Diesel 4.5 liter non-turbo. Air filter is brand new and clean.

Just purchased a 2007 430 with 190 hrs. I live at 9,000 ft elevation, the unit seems to backfire/miss when it is put under a load. Puffs out pretty dark when it mis-fires. Unit has a new fuel filter, treated fuel. Is there some kind of adjustment for high altitude? I noticed that in the case...