hi am new to forum and sprinter van,i have 311cdi on a run from uk to south spain973miles,a couple of times i felt a lack of power, incidently the ESPlight as did the LIGHT WITH THE TYRE SHAPE CAME ON, at the same time, and the power was lost the noise from engine was a dull xhaust noise so i pulled over , turned engine off ! Started up no E S P light on and she went like a train , is this coincidental?? or are they related to the fault, any ideas please help.This happened again later, done the same thing engine off and away she went.