Hi guys, I have a problem with my Navara D40 2.5 140kw 2010. Engine was rebuilt before 20K kms. After 5k kms she started knocking from injectors so i replaced them with refurbished ones. It was fixed and she ran smoothly until now. About 1800 RPMs I can hear rattle under load. Oil is not missing and consumption of oil is minimal. Fuel and oil filter is clean. Oil and filters changed 5k after rebuild and them after another 10K kms. Injectors were not coded until now (now they are). Red airbag is flashing but diagnostics don´t show any error code. Any ideas?