OBD codes / P0305

P0305

Serious

Cylinder 5 Misfire Detected

Address promptly — can worsen or affect drivability.

Likely causes

  • bad plug/coil cyl 5
  • injector
  • low compression

Common fixes

  • swap coil to confirm
  • replace plug

Seeing P0305 on your car? Get a diagnosis specific to your exact year, make and model.

Diagnose P0305 for my vehicle

Generic OBD-II reference. Manufacturer-specific behavior varies — confirm with a scan tool and, for safety-related codes, a professional inspection.