The diagnostic codeDTC P0306 gives us to understand that the PCM (Powertrain Control Module) has detected that one of the cylinders of the engine is not working correctly. In this case, it tells us that it is cylinder number 6.
Symptoms of fault code P0306 Generic
The motor presents instability.
The response of the motor is very unstable, it takes a long time to turn on and when it starts, after a few minutes the motor fails.
Causes of OBD2 P0306 Generic
A code P0306 may have one or more of the following problems:
Some spark plug or one of its wires may be damaged or dirty.