P0314
Single Cylinder Misfire (Cylinder not Specified)
P0314 is an OBD-II diagnostic trouble code meaning: Single Cylinder Misfire (Cylinder not Specified). Common causes: spark plug fault, problems with the ignition coil. Estimated repair cost: $56–167.
Symptoms
- The engine is rough or unstable
- Engine performance deterioration
- Increased fuel consumption
- Check Engine Light Is On
Causes
- Spark plug fault
- Problems with the ignition coil
- Dirty or faulty injectors
- Low fuel pressure
- Compression problems in the cylinder
- Knock sensor malfunction
- Problems with the ignition system wiring harness
How to Fix
- Check spark plugs and replace if necessary
- Check ignition coils and wires
- Check fuel pressure and condition of fuel injectors
- Check compression in cylinders
- Scan the system for other errors
- Check the condition of the knock sensor
- Check wiring harness for damage
Related codes
Error P0314 by Vehicle Brand
FAQ
What does the P0314 code mean?
P0314 is an OBD-II diagnostic trouble code that indicates: Single Cylinder Misfire (Cylinder not Specified)
What causes a P0314 error code?
The most common causes of P0314 include: Spark plug fault; Problems with the ignition coil; Dirty or faulty injectors; Low fuel pressure.
How do I fix a P0314 diagnostic trouble code?
To fix P0314: Check spark plugs and replace if necessary. Check ignition coils and wires. Check fuel pressure and condition of fuel injectors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0314?
Limited driving only, diagnose soon
How much does it cost to fix P0314?
The estimated repair cost for P0314 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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