1999 Mercury Cougar "p1383 p1388" Questions

P1383 or P1388"); reprogramming of the PCM should correct the problemIf your PCM already has been updated, then there is an issue with your variable valve timing system. It will need further diagnosis

code 1383 and 1388 P1383= VVT over retarded bank 1. P1388= VVT over retarded bank 2. There is an issue with your variable valve timing system. It will need further diagnosis.