P2346 Fault Code
P2346 OBD-II Trouble Code Short Description
Cylinder 11 Above Knock Threshold
What does trouble code P2346 mean?
The P2346 error code indicates that the Engine Control Module (ECM) has detected a condition where the knock sensor has evaluated that cylinder 11 is operating above the predetermined knock threshold. Knock refers to abnormal combustion that can cause engine damage. This can occur due to various factors such as fuel quality, tuning, or internal engine issues.
Symptoms
What are the symptoms of the P2346 code?
- Illuminated check engine light
- Increased engine noise or knocking sound
- Reduced engine performance or power loss
- Potential rough idling or misfiring
- Possible decrease in fuel efficiency
Causes
What causes the P2346 code?
- Faulty knock sensor for cylinder 11
- Incorrect fuel mixture or poor fuel quality
- Engine mechanical issues such as excessive carbon buildup
- Timing issues within the engine's ignition system
- Exhaust leaks affecting sensor readings
Possible Solutions
How to fix P2346?
- Inspect the knock sensor and wiring for damage or corrosion
- Test and, if necessary, replace the knock sensor for cylinder 11
- Ensure the correct fuel quality is being used
- Perform a thorough engine inspection for mechanical issues
- Clear the code and perform a road test to confirm the repair