Posted 12/31/2008 23:34 (#553078 - in reply to #553057) Subject: Re: Anyone with a 2008 6.4L PowerStroke???
North west MN
It is somthing to do with emisions and will do it now and then. A nieghbor has one and said it gets bad milage when it goes though its "Emptying Exhaust Valve" cycle.