Engine Error
P0312
Cylinder 12 Misfire Detected
Severity
High
Symptoms
Noticeable power loss, engine vibration, check engine light
Common Causes
- Faulty ignition coil or spark plug
- Clogged fuel injector
- Carbon buildup on intake valves
- Internal engine damage
How to Fix
- 1 Replace coil and spark plug
- 2 Clean or replace fuel injector
- 3 Perform intake valve cleaning
- 4 Test engine compression
Estimated Repair Cost
USD
$150
–
$2500
Ignition repair: 150 - 400; Engine work: 1,500+