Best guess: Turbo related: Turbo boost sensor intermittent operation/ Turbo variable vane actuator solenoid intermittent operation. D..
Yes but only if the fault was made to occur during a road test, otherwise you would have to analyse stored data which could contain all kinds of odds and ends stored over time.
Low pressure or high pressure? The TD4 fuel pump strikes again...![]()
Diagnosed as needing a fuel pump,back with me in a couple of days.