× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network

P0304 Diagnostic Trouble Code Discussion for August 2013

Cylinder 4 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 P0304
Help Request Posted
2001 Audi Allroad Quattro 2.7L Misfire, MIL Lamp on VIN: WAUYP64B11
P0304: Misfire Cyl. 4. Vehicle came in with above faults, problem only present under load. Revving in neutral no problem, light acceleration no problem, only under a load it will start missing badly. Cleared faults, swapped coils and plugs, (plugs recent new) with no change in perfo...
August 12, 2013
2003 Ford E-350 5.4L Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 1FDSE35L23
P0304: Fault Cylinder 4 Misfire Detected. Early or middle of warmup is when this occurs about 5 miles of driving. The vehicle will start to misfire on 2,4,5 cylinders. The customer will pull over and shut off the vehicle and it starts and runs fine again. Then it may not happen for another two weeks. ...
August 23, 2013
2003 Ford E-350 5.4L Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 1FDSE35L23
P0304: Fault Cylinder 4 Misfire Detected. Early or middle of warmup is when this occurs about 5 miles of driving. The vehicle will start to misfire on 2,4,5 cylinders. The customer will pull over and shut off the vehicle and it starts and runs fine again. Then it may not happen for another two weeks. ...
August 24, 2013