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OBD-II Code

P0311 — Cylinder 11 Misfire Detected

Misfire detected in cylinder 11

System Engine
Severity High
Safe to drive? Not recommended
Advanced scanner Yes

What does code P0311 mean?

Misfire detected in cylinder 11

Common symptoms

  • Very strong vibration
  • loss of acceleration

Possible causes

  • Worn spark plug
  • weak injector
  • failing ignition coil
  • low compression

Initial recommendation

Inspect ignition coil, spark plug, injector and compression.

Safety notice

This information is for guidance only and does not replace a physical vehicle inspection or diagnosis by a qualified mechanic. If the vehicle has severe power loss, smoke, a fuel odor, overheating, brake or steering problems, or any unsafe behavior, avoid driving it and seek professional inspection.

Analyze this code with MecaOBD

Use the app to combine code P0311 with your vehicle's actual symptoms for more complete diagnostic guidance.

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