The car engine P2280 Code is meaningful and a necessary thing. This engine P2280 is the main thing what you need to check is to verify the process of the VCT solenoid. You are looking for a stabbing or stuck VCT solenoid valve produced by contamination. Refer to vehicle exact repair manual to achieve element tests for the VCT unit. Do not fix the car engine by yourself if you are not the right person for solving the car engine. You must appoint an automobile engineer to check the car engine and fix the problem from the car engine as soon as possible for safe driving.