What will code p1345 cause?

Code P1345 typically refers to a problem with the Variable Valve Timing (VVT) system in an internal combustion engine. It indicates that there is a malfunction in the VVT sensor or the timing control, which can lead to poor engine performance, reduced fuel efficiency, and increased emissions. If not addressed, it may cause rough idling, stalling, or engine damage over time. It's advisable to diagnose and repair the issue promptly to maintain optimal engine function.