18502/P2070/008304
From Ross-Tech Wiki
008304/P2070 - 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 Runner Position Sensor1 (G336)
- Intake Manifold Runner binding or sticking
Possible Solutions
- Replaced failed vacuum hose
Special Notes
- If found on the 3.2L FSI engine, see Technical Bulletin 24-08-76 (TSB# 2019485/1)