Code result
P2023
Intake Manifold Runner Position Sensor/Switch Circuit Intermittent
Moderate severity
What it means
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.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Loose terminal in connector
highOne of the most commonly reported causes for this code — check this first.
Water ingress into connector
mediumA plausible cause — test and verify before replacing parts.
Connector with intermittent contact under vibration
lowLess common, but worth ruling out after the more likely causes.
Related help
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