Code P8213, misfire on all?

The P8213 fault code in your 2013 Volkswagen Tiguan is related to the ignition coils. Specifically, it indicates a fault in the power output stage of one or more ignition coils. The misfire codes indicate that there is a problem with the combustion process in one or more cylinders. Here are some possible causes and solutions for these issues:

Faulty ignition coil(s): The ignition coils may be faulty and need to be replaced. A certified Volkswagen technician can diagnose and replace any faulty coils.

Wiring or connection issues: There may be an issue with the wiring or connections to the ignition coils or the engine control module (ECM). A certified Volkswagen technician can diagnose and repair any wiring or connection issues.

Faulty spark plugs: Worn or faulty spark plugs can cause misfires and can also damage ignition coils. It is recommended to replace the spark plugs if they have not been replaced recently.

Fuel system issues: A problem with the fuel system, such as a clogged fuel filter or a faulty fuel injector, can also cause misfires.