What does code P0312 mean?
Ignition failure detected in cylinder 12
OBD-II Code
P0312 — Cylinder 12 Misfire Detected
Ignition failure detected in cylinder 12
Common symptoms
- Engine nearly inoperable
- severe vibration
Possible causes
- Ignition failure
- stuck injector
- poor compression
Initial recommendation
Check spark, injector operation and perform compression test.
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 P0312 with your vehicle's actual symptoms for more complete diagnostic guidance.
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