Powertrain
generic / SAE
P2006
Intake Manifold Runner Control Stuck Closed (Bank 1)
The IMRC flap on bank 1 is stuck in the closed position and cannot open at higher rpm. Top-end power suffers because the runner is restricted, and the engine may breathe poorly above mid-range.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number– / 06
Possible causes
- Carbon deposits seize flap closed high
- Actuator stuck or vacuum line collapsed medium
- Carbon or debris buildup preventing free movement low
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 80–600 €
- Estimated time: 1–4 h
- Component: intake manifold runner
- Component: imrc actuator
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012