This engine P1220 Code is necessary thing and important for solving the car engine. Due to the problem of the car engine, the car engine shows the car engine code. The tricky is produced by the variable cylinder organization system switching on and off through light throttle conditions, at traveling speeds, or when driving on flat roads. The continuous swapping causes dangerous oil consumption and the trouble codes look when oil compression drops to the point where it can no longer function the VCM system. Do not drive the car with the car engine problem. Allow an expert engineer to fix the car engine.