Hi all I have a 2005 R420 scania and the engine malfunction light comes on sometimes and the power is reduced and sometimes the engine stops, when it stops completely it is not hard to start again. and when the light is on and the truck is still running on reduced power the light goes off and the truck drives like new
If anyone know whats up please let me know oh a fault was coming up that it was the fuel pressure sensor I have replaced that butthe problem is still there
On a different note but maybe related sometimes when I go to start the lorry the immobiliser light is on and the lorry wont start I then switch off the isolator and back on and its fine