Join Now
International Automotive Technicians Network

P0305 Diagnostic Trouble Code Discussion for December 2014

Cylinder 5 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 P0305
Help Request Posted
2004 Ford F-150 Lariat 5.4L Misfire VIN: 1FTPW12584
P0305: cylinder 5 missfire. This truck is a good one, done all the normal repair problems for this vehicle. Still cylinder #5 misfire, it is like ignition. Lab scoped 3 signals, #5 injector, #5 ignition coil and crank signal. When #5 misfire, ignition coil signal gets erratic, just after...
December 09, 2014
2002 Mercury Mountaineer 4.6L Poor Idle Quality, Misfire, MIL Lamp on VIN: 4M2ZU86W32
P0305: cyl 5 misfire detected. Customer came n and said he had scanned it at a parts store and said it needed plugs on 1, 3, and 5. And only wanted to put those in, said he was saleing the suv. So we put those n and it ran okay, he left and came back about 300 miles later and said the lite ...
December 18, 2014