P0314Subaru AscentYears: 1996 - 2026
Single Cylinder Misfire (Cylinder Not Specified)
Reviewed by ASE Certified Technician
What does this mean?
Code P0314 indicates a single cylinder misfire was detected but the PCM could not determine which specific cylinder.
Disclaimer: This diagnostic code is part of the standard OBD2 system and can apply to Subaru Ascent models manufactured from 1996 to 2026. However, please note that the presence of this specific code depends on your vehicle's exact engine configuration, options, and production year.
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Common Causes
Worn or fouled spark plugs
Faulty ignition coil or coil pack
Clogged or faulty fuel injector
Damaged, chafed, or broken wiring harness
Symptoms to Watch For
- Check Engine Light is illuminated
- Engine misfiring or shaking sensation
- Rough or unstable idle
- Unusual vibration during driving