× 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 March 2020

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
2016 Honda Odyssey EX-L 3.5L Misfire VIN: 5FNRL5H66G
P0303: Cylinder 3 Misfire. Vehicle originally came in for a with a P0303. We found that the spark plug was fouled with a black carbon like oil. We replaced all 6 spark plugs and the cylinder 3 ignition coil. The vehicle came back about a month later with a P0303 again. I removed the...
March 05, 2020
2016 Ford Police Interceptor Sedan 3.7L Misfire VIN: 1FAHP2MK3G
Hello tech looking to see it anyone would have a wave from for the crank and cam position 11 and cam position 21 for this vehicle. The water pump was replaced by another shop and it now has misfire codes. I am hoping to prove the cam timing is off with out...
March 16, 2020
2006 Ford Mustang GT 4.6L Misfire VIN: 1ZVFT85H76
P0303: Cyl3 misfire. Hello im looking for some help on this mustang 4.6 3v vehicle complaint is misfire and hard to fill gas. Found a lot codes for misfire at the beginning so we inspected spark plugs found them worn so we replaced them ,then we test drove w/scanner and found ...
March 23, 2020