Wanky car tech

Looks like , it’s either the turbo or the Egr valve. Waiting for auto electrician to confirm. Either way it’s decision time with the fucking thing. Not sure I want to lump £6 or 700 on it to just wait for the next thing to flash up on the dash.
The only thing stopping me part exing it is the ridiculous prices of cars at the moment.
Wouldn’t want to just clear the fault and sell it private though. I do have a conscious.