99 & up 7.3L Power Stroke Engine & Drivetrain
This has been a problem for probably 8 months now. When I start the truck cold or semi-cold it has a rough idle for about 30 second until it’s warm. But when it’s warm already and I start it, it’s like a golden nugget, it’s perfect. I use my high idle tune to warm it up for about 30 seconds or a...