A few weeks back I changed my mates boost control solenoid to cure an overboosting issue and all seemed great. Now it has started playing up again, it is lumpy and returning P1E30. It is a 2005 TD4. The fault will not clear so is obviously permanent. When I first plugged in the reader there...

I have an Autel MD808 Pro reader and I can connect to just about everything on my 2005 Freelander TD4 from the ABS to the module in the rear door, what it refuses to connect to is the engine ECU. If I connect in generic OBD mode it will go in and give me limited live data but it won't read the...