Powertrain
generic / SAE
P0305
Cylinder 5 Misfire Detected
Misfires concentrated on cylinder 5 (only present on engines with 5+ cylinders). Same diagnostic approach as P0301 — swap the suspect coil/plug with another cylinder.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number3 / 05
Possible causes
- Ignition coil for cylinder 5 failed high
- Spark plug worn or fouled high
Symptoms
- Check engine light on or flashing
- Rough idle and uneven running
- Power loss, hesitation under acceleration
- Increased fuel consumption
- Possible smell of unburned fuel from exhaust
Inspection / repair
- Difficulty: easy
- DIY: possible
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References
sae:J2012