Hey I have a 2014 Silverado. Killed on me after filling up and I changed mass airflow sensor and it started back up with a weird idle. Lost oil pressure so I changed oil and oil pressure sensor and cam sensor and it ran but killed on oil pressure and wouldn’t start. Got code p0c6 so I changed high pressure pump and it started up and ran good but lost oil pressure when idling after 20 minutes and killed while driving and won’t start back up. Got codes P0016 p0068 p0c6 and p0101. Truck cranks wont start and changed the oil again. Whats next for me to do?