Mastering the P0304 Code A Complete Guide to Troubleshooting and Repairing Engine Misfires

I am getting a P0304 code CYLINDER #4 MISFIRE Misfire detected in cylinder #4. I know it could be a couple of things. I have new plugs, ... Check the wires and the pigtail that goes to the coil pack. I've seen this happen from a wire cracking close to the pigtail (not noticeable ... That is the connector for the fuel injector on #4 cylinder. That is the cause of the misfire and your check engine light. Some/ most dealers ... The first plan of attack is to replace the coil and plug...in this case on cylinder #4. Has anyone else had this same issue and found that that was the fix? It was pulling a P0304 - Misfire occuring in Cylinder 4. I pulled the plug and wire in #4. The plug is gapped at .035 which is to the spec in the FSM and the ... A common repair to remedy the P0304 error code is the replacement of the Positive Crankcase Ventilation (PCV) valve. The PCV valve is ... My van currently has a slight hesitation at idle and also at 55-60 mph when accelerating to pass. SES light intermittent, reading code P0304. It could be either an intake manifold leak around cylinder #4 or an air leak around injector #4 O-ring. You can try spraying carb cleaner around these areas to ... After running a diagnostic, we have identified the code P0304 - 4th cylinder misfire. After conducting some research I'm finding this a common ... Initial possibilities off the top of my head: Bad coil pack, Bad spark plug, Bad injector. If it is under warranty have it towed to the dealer.