FORDY_JAY

hi guys im a new scoobie owner and after buying a classic jap import i discoverd that the head gasget was blown,anyhow payed for this to all be put right (£2000 lighter after new clutch and flywheel aswell ) im having an over boost problem. was just woundering could the fault codes "22" and "45" cause this problem ????
any help/advice would me much appreciated as i dnt know that much about scoobies as yet
p.s this one is suposedly running 350 bhp (not too sure havent had it checked yet lol)