P2023: Intake Manifold Runner Position Sensor/Switch Circuit Intermittent (Bank 2)
Standardized SAE J2012 code · P20xx — Fuel & air metering and auxiliary emission controls
What does P2023 mean?
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.
The code tells you which monitor failed, not which part is broken. Test before replacing parts.
Common causes
- High Loose terminal in connector
- Medium Water ingress into connector
- Low Connector with intermittent contact under vibration
Likelihood is a general estimate across vehicles; your make and model may differ.
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P2023 in the community
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