P0304 Code Demystified Expert-Level Troubleshooting and Repair

The PCM has determined that a misfire has occured in cylinder #4. First of all, #4 should be on middle driver side correct? What would you guys check first? 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 ... I would suspect plug, wire or coil pack in that order. #4 cylinder is front bank (radiator) passenger side. yes, its actually what i was thinking, its failing under heat. Typically you're right the whole coil fails but i've seen weirder things happen. 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. The P0304 code will be seen in cars where the ECU has detected that cylinder 4 is not firing properly. The ECU monitors the operation of all cylinders to ensure ... How to fix a Ford P0304 Code: Cylinder 4 Misfire Detected Spark Inline Tester Tool https://amzn.to/465UWj7 Possible Causes of a Ford P0304 ... P0304 is for cylinder 4 misfire. That would be my next step. You don't have to change all the ignition coils out. Just the one for cylinder 4. P0304 = Cylinder #4 Misfire Detected. Sounds like it maybe an ignition problem, if you are taking it to the mechanic, tell him its Cylinder #4 that is ... it's a good idea to replace both sets of gaskets at same time, the old gaskets get crushed a bit. Air leak from bad intake manifold seal can ...