Mitsubishi Pajero Montero Gen 3 2001 3.2 DID Dieselpump problem

This is what it looks like when the dieselpump is defective, rust in the fule tank is the killer. 310.000 km First Diagnose fault code 12. Boost sensor 16. Air temp sensor 26. CSP sensor 41. Thrt val sol 48. GE 49. Over boost Second Diagnose fault code (after delete) 48. GE Please comment if you have any experience with this problem