How to fox p0304 cylinder 4 miss fire

Hello, a misfire code indicates that the cylinder indicated is not firing properly. This can be due to a lack of fuel delivery, a lack of ignition spark, or a lack of cylinder compression caused by a base engine or valve train issue. Testing with good equipment will be needed to troubleshoot and find out what about cylinder #4 is not working properly. https://repairpal.com/repair-shops/oldsmobile-repair-and-service-in-yuba-city-california