× 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 May 2024

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
2009 Subaru Outback 2.5i Limited 2.5L MIL Lamp on VIN: 4S4BP66C29
P0304: cylinder misfire 4. Another shop put a used engine in a couple of months ago. Customer brought to me because check-engine-light would flash under acceleration. Cylinder #3 and #4 misfire. Although sets misfire codes, engine does not run rough. Found a couple of posts con...
May 30, 2024