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P0304 Diagnostic Trouble Code Discussion for February 2020

Cylinder 4 Misfire Detected


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Trouble Ticket Help Requests for DTC P0304
Help Request Posted
2011 Ford Escape Limited 3.0L Misfire VIN: 1FMCU0EG0B
P0304: Cylinder 4 misfire. This one is driving me crazy. Vehicle has felt misfire on #4 cylinder. Cylinder contribution data verifies misfire is on cylinder #4. Started with coil and spark plug swap with no change. Installed new spark plug and coil with no change. Ran compression te...
February 10, 2020
2011 Ford Escape Limited 3.0L Misfire VIN: 1FMCU0EG0B
P0304: Cylinder 4 misfire. This one is driving me crazy. Vehicle has felt misfire on #4 cylinder. Cylinder contribution data verifies misfire is on cylinder #4. Started with coil and spark plug swap with no change. Installed new spark plug and coil with no change. Ran compression te...
February 11, 2020
2011 Kia Sedona LX 3.5L Misfire VIN: KNDMG4C7XB
P0304: Misfire cyl3. This one is killing us. Vehicle starts and runs smoothly until the ECM picks up a misfire on #2, #4 and or #6 cylinders. Most commonly 2 & 4. Then as you know it shuts those cylinders down. We have swapped coils and injectors. Rechecked compression, Re...
February 14, 2020
2011 Kia Sedona LX 3.5L Misfire VIN: KNDMG4C7XB
P0304: Misfire cyl3. This one is killing us. Vehicle starts and runs smoothly until the ECM picks up a misfire on #2, #4 and or #6 cylinders. Most commonly 2 & 4. Then as you know it shuts those cylinders down. We have swapped coils and injectors. Rechecked compression, Re...
February 17, 2020