P2006 – Intake Manifold Runner Control Stuck Closed

Description

The intake manifold runner control is stuck in the closed position, preventing proper airflow adjustment.

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Symptoms

  • Poor acceleration
  • Rough idle
  • Car hesitates when accelerating

Causes

  • Stuck runner flap
  • Vacuum actuator failure
  • Wiring fault

Diagnosis

  • Inspect IMRC actuator
  • Check vacuum lines
  • Test IMRC position sensor

Repair

  • Replace actuator
  • Repair wiring
  • Clean intake runner

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