× 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 November 2017

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
2009 Acura TSX 2.4L Misfire, MIL Lamp on VIN: JH4CU25639
P0303: Cylinder 3 misfire. This car came in with all codes listed, and in limp mode. Cleared the codes, and the car drives great, no misfires felt. Watching the misfire counters, found all cylinders miss a few times on start up, then no misses at idle. Hold rpm around 2500 to 3000, and ...
November 01, 2017