P0303 Diagnostic Trouble Code Discussion for August 2023
Cylinder 3 Misfire Detected
Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.Trouble Ticket Help Requests for DTC P0303
| Help Request | Posted | |
| 2005 Ford F-150 King Ranch 5.4L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1FTPW12575 P0303: Cylinder 3 misfire. Hello, need HELP! 2005 F150 w/ 5.4 (3 valve) and 192k miles. Towed in. Customer claims it happened while he was driving. He noticed it lost some power while driving but not much. Then a few miles more of driving it got very gutless then it died. Very h... |
August 10, 2023 | |
| 1999 Ford F-150 Lariat 4.6L Cuts out, Misfire VIN: 1FTRX17WXX P0303: Misfire 3. I will add more later. This engine starts and runs cold smoothly and will accelerate smoothly for 2 to 3 minutes. After that it scatters in misfires on the right bank. We have replaced all spark plugs, fuel filter, verified by power balance that the right ... |
August 27, 2023 |
