Intake Manifold Runner Performance (Bank 2)
The intake manifold runner control (IMRC) on bank 2 reports that flap movement does not match the commanded position within the allowed time window — either too slow, too short a stroke, or position feedback off-target.
Affected components
- Intake manifold runner
- Imrc actuator
Common causes
- High likelihood: Carbon buildup
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.