18502/P2070/008304

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Revision as of 17:55, 10 December 2013 by Andy (talk | contribs) (→‎Special Notes)

18502/P2070/008304 - Intake Manifold Tuning Valve (Bank 1): Stuck Open

Possible Symptoms

  • Malfunction Indicator Light (MIL) ON
  • Reduction of power at higher RPMs

Possible Causes

  • Vacuum leak
  • Faulty Intake Manifold Tuning (IMT) Valve Position Sensor (G513)
  • Intake Manifold Runner binding or sticking

Possible Solutions

  • Replace failed vacuum line
  • Check Intake Manifold Tuning (IMT) Valve Position Sensor (G513) and wiring, see repair manual.

Special Notes

  • When found in 2005 - 2008 Audi A4 and A6 with 3.2L FSI engines, please see TSB 24-08-76 (TPI 2019485/1)
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