trouble codes on 2003 Mitsubishi Montero

pls help dont know what to do, i get this trouble codes
99-2005 mitsubishi montero/pajero shogun from japan, diesel 4m41 engine 3.2L turbo
41 thrt val sol
31 can comm.
22 vgt cont. prs.
51 egr pos snsr.

1 answer
Pajero 4M41 year 2004 31 can comm
52 vgt cont prs
51 egr pst snsr