The P0311 trouble code is associated with Cylinder 11 Misfire Detected, indicating that there is a misfire specifically in Cylinder 11.
Cylinder 11 Misfire Detected
Code symptoms P0311.
1. Illuminated “Check Engine” or “Service Engine Soon” light on the dashboard.
2. Rough idling in the engine.
3. Poor engine performance in Cylinder 11.
This code is common in brands such as:: Chevrolet, Renault, Ford, Toyota, Nissan, Mercedes Benz, Honda.
Causes of the code P0311.
1. Faulty spark plug in Cylinder 11.
2. Issues with the ignition coil in Cylinder 11.
3. Fuel delivery problems to Cylinder 11.
4. Problems with the Engine Control Module (ECM).
Code Solutions P0311.
1. Inspect and replace the spark plug in Cylinder 11 if it’s faulty.
2. Check and, if necessary, replace the ignition coil in Cylinder 11.
3. Ensure proper fuel delivery to Cylinder 11, including inspecting the fuel injector.
4. If ECM issues are suspected, consult a qualified technician for diagnosis and potential reprogramming or replacement.