P0311
Cylinder 11 Misfire Detected
P0311 is an OBD-II diagnostic trouble code meaning: Cylinder 11 Misfire Detected. Common causes: faulty spark plug in cylinder 11, problems with the ignition coil. Estimated repair cost: $56–222.
Symptoms
- The engine runs unevenly
- Power Loss
- Increased fuel consumption
- Increase in harmful emissions
- Check Engine light comes on
Causes
- Faulty spark plug in cylinder 11
- Problems with the ignition coil
- Fuel injector malfunction
- Low cylinder compression
- Problems with the air intake system
- Sensor malfunctions (mass air flow sensor, crankshaft position sensor, etc.)
- Problems with the ignition system (wires, ignition module)
How to Fix
- Check the condition of the spark plug in cylinder 11
- Check the functionality of the ignition coil
- Check the fuel injector for blockage or malfunction.
- Measure compression in cylinder 11
- Check the intake system for air leaks
- Check the condition of the wires and the ignition module
- Check the condition and readings of sensors (mass air flow sensor, crankshaft position sensor, etc.)
Related codes
Error P0311 by Vehicle Brand
FAQ
What does the P0311 code mean?
P0311 is an OBD-II diagnostic trouble code that indicates: Cylinder 11 Misfire Detected
What causes a P0311 error code?
The most common causes of P0311 include: Faulty spark plug in cylinder 11; Problems with the ignition coil; Fuel injector malfunction; Low cylinder compression.
How do I fix a P0311 diagnostic trouble code?
To fix P0311: Check the condition of the spark plug in cylinder 11. Check the functionality of the ignition coil. Check the fuel injector for blockage or malfunction.. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0311?
Limited driving only, diagnose soon
How much does it cost to fix P0311?
The estimated repair cost for P0311 is $56–222. Actual cost depends on your vehicle, location, and labor rates.
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