Fault codes › P0311
P0311
Cylinder 11 Misfire Detected
Generic code
Ignition System
High severity
Hard repair
Free on OBD DashX
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iWhat P0311 means
- The fault code P0311 indicates that there is a misfire in cylinder 11. This may cause a noticeable decrease in engine performance and can potentially damage the engine over time.
!Possible symptoms
- Decreased engine performance
- Illuminated check engine light
- Rough idle or stalling
- Engine vibration or shaking
?Possible causes
- Faulty spark plug in cylinder 11
- Ignition coil malfunction in cylinder 11
- Clogged or dirty fuel injector in cylinder 11
- Low fuel pressure causing a lean condition in cylinder 11
- Vacuum leak near cylinder 11
- Failed engine control module (ECM)
⚙Related parts
- Crankshaft Position Sensor: The crankshaft position sensor monitors the position of the crankshaft to regulate fuel injection. Problems lead to engine misfire and engine stalling
✓Possible solutions
- Replace the spark plug in cylinder 11
- Replace the ignition coil in cylinder 11
- Clean or replace the fuel injector in cylinder 11
- Check and repair any vacuum leaks near cylinder 11
- Check fuel pressure and replace fuel pump or regulator if necessary
- Replace the engine control module (ECM) if necessary