Intake Manifold Runner Position Sensor/Switch Circuit Intermittent (Bank 2)
The IMRC position sensor signal on bank 2 jumps or drops out intermittently — usually a loose pin, partially-broken conductor, or moisture in the connector.
Affected components
- Imrc position sensor
- Imrc connector
Common causes
- High likelihood: Loose terminal in connector
- Medium likelihood: Water ingress into connector
- Low likelihood: Connector with intermittent contact under vibration
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
Related codes
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.