× 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

P0303 Diagnostic Trouble Code Discussion for June 2019

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
2008 Dodge Grand Caravan SE 3.3L Misfire, Fuel smell
P0303: Cylinder 3 misfire. Van came in with complaint of check engine light, misfiring at startup. Scanned for codes and found cylinder 3 misfire. It misses briefly when started cold and there is a raw gas smell coming out of the vents. After it clears up it runs and drives well, wi...
June 17, 2019
2008 Dodge Grand Caravan SE 3.3L Misfire, Fuel smell
P0303: Cylinder 3 misfire. Van came in with complaint of check engine light, misfiring at startup. Scanned for codes and found cylinder 3 misfire. It misses briefly when started cold and there is a raw gas smell coming out of the vents. After it clears up it runs and drives well, wi...
June 20, 2019
1997 Toyota Tacoma DLX 3.4L MIL Lamp on VIN: 4TAVN52N8V
P0303: Cylinder 3 Misfire Detected. Truck runs fine cant feel a misfire , customer stated truck runs fine.When first started truck idles at 1350 rpm then as truck warms up and idle gets around 1050 rpm computer shows misfire on bank one, but no misfire is felt.Scoped crank and cam sensor bot...
June 28, 2019