Rum, rum, rum@ 3,500 RPM
My E450 with V10 has a slight surging of RPMs at 3,500 and climbiing hills. Normal or something out of balance? New 8 months old 2015 chassis.
Forum Discussion
It happens at 35-40 on windy mountain roads and 60-65 mph on hwy mountain roads going over passes just realized always climbing mountains. Maybe elevAtion issue?
