If the PCM detects an imbalance in the air to fuel ratio for a engine cylinder four, a code P219F will be stored and a malfunction indicator lamp (MIL) may be illuminated. Most vehicles will require multiple ignition cycles (with a failure) for MIL illumination.
When the P0354 code is stored, it indicates that the PCM is not receiving the proper signals from the ignition coil(s) when the vehicle is in operation. This can be indicative of problems with either the primary (computer) side of the ignition coil or the secondary (spark plug) side of the coil.
P0110 - Intake Air Temperature Circuit
Excessively high or low voltage from the intake air sensor (IAT) will trigger this code. Possible causes:
Faulty IAT sensor
Dirty air filter
There's a short in the IAT sensor harness
The electrical connection with the IAT sensor's circuit is poor
If your PCM is returning a P0113 error code, it means that your Intake Air Temperature (IAT) sensor is reading at too high of a voltage. This sensor works as a basic resistor. The PCM sends it a continuous current of five volts, and monitors how much voltage it gets back.
P035613
Ignition Coil "F" Circuit Open
OBD Code P219F - Cylinder #4 Imbalance Error The trouble code P219F can be defined as Cylinder #4 Imbalance Error. The cylinder 4 is being monitored by the engine control module. This trouble code would be set by the ECM when the number four cylinder would not be as per the specifications set by the manufacturer.
For Error Code P0356, the problem means there's an open or short detected in the driver circuit for coil number 6, or other issues in the ignition process of the coil pack. And depending on the vehicle, the PCM may also shut down the fuel injector to the cylinder.