Empowering You A Detailed Guide to Decipher the P0304 Code

A P0304 code means that the the car's computer has detected that one of the engine's cylinders is not firing properly. In this case it's ... Switch the ignition coil assembly between 4 & 6 and see if you then get a p0306. If so, change the ignition coil. My Kia Forte Ex has started kicking code P0304 which is a problem with cylinder 4. Considering the findings of my prior “Gas Cap” discussion & what my mechanic ... A P0304 code means that the the car's computer has detected that one of the engine's cylinders is not firing properly. In this case it's cylinder #4. I would suspect plug, wire or coil pack in that order. #4 cylinder is front bank (radiator) passenger side. A common repair to remedy the P0304 error code is the replacement of the Positive Crankcase Ventilation (PCV) valve. The PCV valve is ... 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, ... The error code is showing a P0304: meaning Cylinder 4 is having missfires. Recommendation is to replace the ignition coil and the spark plug. The cylinder 4 misfire (P0304) has been plaguing me for the two years I've owned the car, and was noted on two invoices for services for the previous owner. SOLUTION: Pulled all the plugs and peered down in each cylinder to find gasoline floating on top the piston in cylinder #4 where the P0304 code ...