18439/P2007/008199

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18439/P2007/008199 - Intake Manifold Runner Control Stuck Closed, Bank 2

Possible Symptoms

  • MIL On
  • Reduction of power at higher RPMs

Possible Causes

  • Vacuum leak
  • Faulty Intake Manifold Runner Position Sensor2 (G512)
  • Intake Manifold Runner binding or sticking

Possible Solutions

  • Replace failed vacuum line
  • Check Intake Manifold Runner Position Sensor 2 (G512) and wiring, see repair manual.

Special Notes

  • When found in 2005 - 2008 Audi A4 and A6 with 3.2L FSI engines, please see TSB 2019485/1.