Diesel Place banner
turbo issue
1-1 of 1 Results
  1. Duramax Third Generation: 2006-2007.5 (LBZ & LLY)
    I noticed that my turbo doesn't have the whistle any more. Fuel mileage is about 17mpg on level ground at 70 mph. Turbo does create boost, no black smoke. I have a PPE 70hp tune in it, but it's been there a while so that hasn't changed. I cleaned the vane position sensor no change, going to...
1-1 of 1 Results
Top