Fault codes › P0311

P0311

Cylinder 11 Misfire Detected

Generic code Ignition System High severity Hard repair
Free on OBD DashX

Want real-world data on P0311?

See which problems come with P0311, how often it shows up in other vehicles, and how to fix it — step by step.

  • Real-world fix data
  • How often it happens
  • Step-by-step repairs
See P0311 on OBD DashX No sign-up needed · available in 10 languages

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
Free on OBD DashX

P0311 on OBD DashX

Real-world causes, how often this code shows up, and the fix — step by step.

Open P0311 No sign-up needed · available in 10 languages

Search fault codes

Scan your own car

Read and clear fault codes, live data and service resets with the CaRPM app.