Is it bad to let a 6.0 Powerstroke Idle?
Is it bad to let a 6.0 Powerstroke Idle? Idling for a while shouldn't be a problem, as long as afterwards you run it up to WOT a bit to clean it out, excercise the VGT Vanes, and burn off the gunk with some nice high EGT's. Idling for 30 minutes, followed by just shutting it off, IS bad. Gotta clean out all that gunk before shutting it down. How long should a diesel engine idle before running? Most manufactures recommend idles for 3 minutes before running the engine under a load. Always look at your operator’s manual to see...