Fault codes › P0331

P0331

Knock Sensor 2 Circuit Range/Performance Bank 2

Generic code Ignition System Medium severity Moderate repair
Free on OBD DashX

Want real-world data on P0331?

See which problems come with P0331, 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 P0331 on OBD DashX No sign-up needed · available in 10 languages

iWhat P0331 means

  • The fault code P0331 indicates that there is an issue with the knock sensor 2 circuit in bank 2. This may cause the engine to run poorly or not start at all.

!Possible symptoms

  • Illuminated check engine light
  • Engine knocking or pinging sounds
  • Reduced engine power or acceleration
  • Poor fuel economy

?Possible causes

  • Failed knock sensor
  • Wiring or connection issues in the circuit
  • Loose or corroded electrical connections
  • Failed engine control module (ECM)

Related parts

  • Knock Sensor: Knock sensor detects knocking in the engine

Possible solutions

  • Replace the knock sensor
  • Check and repair any damaged wiring or connections
  • Tighten or clean any loose or corroded electrical connections
  • Replace the engine control module (ECM) if necessary
Free on OBD DashX

P0331 on OBD DashX

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

Open P0331 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.