P0314 - Single Cylinder Misfire Detected

The ECM detected a single-cylinder misfire but did not flag a specific cylinder code at the same time.

Treat the code as the starting point: compare symptoms, likely causes, and repair paths before pricing parts or moving into an estimate.

Code Overview

The ECM detected a single-cylinder misfire but did not flag a specific cylinder code at the same time.

Common Causes

• Intermittent ignition fault
• Fuel injector issue
• Mechanical problem on one cylinder

Diagnostic Steps

1. Check Mode $06 or pending codes if available
2. Inspect ignition and fuel components
3. Watch for a cylinder-specific code to set during diagnosis

Likely Repairs & Cost Guides

Use symptoms, scan data, and quick checks to confirm the likely repair path before pricing parts. The estimator helps compare repair paths before replacing anything unnecessarily.

Related OBD Codes

Browse nearby code-family pages when the same fault pattern overlaps across systems, such as misfire, lean fuel trim, EVAP sealing, cooling, or charging faults.

Next Steps

Move from code lookup to diagnosis, then estimate the likely repair only after symptoms, causes, and checks point to the same path.