My 1.9JTD ELX Doblo has started to give what sounds like a high pitched audible warning as soon as I hit 60km/hr. The sound goes away again at 50km/hr.
I have done various "experiments", and it is definitely road speed related. It is not dependant on engine speed or load - in fact it remains when free-wheeling.
My handbook only refers to warning lights. Can anyone advise what might be causing this?
I have done various "experiments", and it is definitely road speed related. It is not dependant on engine speed or load - in fact it remains when free-wheeling.
My handbook only refers to warning lights. Can anyone advise what might be causing this?