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What does diagnostic trouble code p0304 mean on a 2002 kia sportage?

The diagnostic trouble code P0304 indicates a cylinder 4 misfire. This means that the engine is not firing properly in cylinder 4.

Here are a few possible causes of the P0304 code:

* Faulty spark plug

* Faulty ignition coil

* Dirty fuel injector

* Clogged catalytic converter

* Exhaust leak

* Low compression in cylinder 4

If you are experiencing the P0304 code, it is important to have the problem diagnosed and repaired as soon as possible. A misfire can cause damage to the engine and other components.