Nightmare! Hate people that do that! More than likely the camshaft solenoid mate, check block 93 on VCDS, the specified and actual should match, if they don't then unless the timing has jumped a tooth then its probably the solenoid. The other is probably a system too lean code which could be related.
Had a productive day on mine yesterday. Did a full service:- Oil & filter, fuel filter, pollen filter, cam follower, plugs and a gearbox oil change. Got my hands on the new 'good stuff' from Millers:
Today it's having a much needed bath as the thing is foul.