P0305 Code A Troubleshooting Roadmap to Resolve Ignition System Faults

A P0305 code means that the the car's computer has detected that one of the engine's cylinders is not firing properly. In this case it's cylinder #5. The check engine light has been going off the past few months giving the code P0305, cylinder #5 misfire. I replaced all 6 plugs and coil packs as well as the ... P0305 code for 5th cylinder misfire. My Ford expedition has been having a misfire in the 5th cylinder and I'm certain it just needs a new ... Ford Ranger - Misfire on cylinder# 5 (Code: P0305) - Ford Ranger, 3.0 Misfire on cylinder# 5 - changed plug on # 5 Still misfiring on # 5 ... It's basically telling you that cyl 5 is misfiring. Start with the cheapest and easiest route. Replace the plug then the wire and possibly a ... CEL came on a few blocks later. Took it to autozone got the codes read: P0305, cylinder 5 misfire. Removed the spark plug, it looked fine. P0305 is a misfire on cylinder 5 (closest to the transmission). Plug, wire and distributor cap are all suspects-- if they are ruled out, then a ... I've changed the plugs, the wires and have even swapped the #5 coil pack with the #3 coil pack to see if the code moves but the same code still ... A P0305 cylinder misfire can occur for a multitude of reasons, right from a faulty spark plug and fuel system errors to internal engine damage. First check should probably be the HT lead and cap to #5 cylinder. I'd reset the code and replace the lead, cap and as as you are there, the plug.