P0314moderate severityPowertrain
Single Cylinder Misfire (Cylinder not Specified)
on 2007 Ram 3500 5.9L I6 Cummins · 4WD
What this code means
The PCM detected a misfire but could not identify the specific cylinder. This may involve ignition, fuel, or compression issues.
Symptoms
- Rough running
- Reduced power
- Flashing check engine light
Common causes
- Faulty spark plug or coil
- Faulty injector
- Vacuum leak
- Low compression
Diagnostic steps
- Scan for related misfire codes
- Inspect spark plugs and coils
- Check fuel injectors
- Perform compression test
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Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0005
Fuel Shutoff Valve A Control Circuit/Open
P0006
Fuel Shutoff Valve A Control Circuit Low
P0007
Fuel Shutoff Valve A Control Circuit High
P0008
Engine Position System Performance - Bank 1
P0009
Engine Position System Performance - Bank 2
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1