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== 18438/P2006/008198 - Intake Manifold Runner Control Stuck Closed, Bank 1 == ==== Possible Symptoms ==== * Malfunction Indicator Light (MIL) ON * Reduction of power at higher RPMs ==== Possible Causes ==== * Vacuum leak * Faulty Vacuum Solenoid (N316) * Faulty Intake Manifold Runner Position Sensor1 (G336) * Intake Manifold Runner binding or sticking ==== Possible Solutions ==== * Replace failed vacuum lines or faulty vacuum solenoid (N316). * Check Intake Manifold Runner Position Sensor 1 (G336) and wiring, see repair manual. ==== Special Notes ==== * When found in 2005-2008 Audi A4 and A6 with BKH 3.2L FSI engines: ** Some vehicles may have a vacuum solenoid valve (N335 or V63) located under the air filter housing. Failure of this solenoid or the vacuum lines may cause insufficient vacuum and cause [[18438/P2006/008198|P2006]],[[18439/P2007/008199 |P2007]] and [[18502/P2070/008304|P2070]] fault codes. ** TSB 24-08-76, 01-14-76 or TPI 2019485 has some information on testing for vacuum leaks. ***https://static.nhtsa.gov/odi/tsbs/2014/SB-10065428-2280.pdf NHTSA * When found in 2012-2016 Audi with 3.0 TFSI, please see TPI 2050329 ** Vacuum operated water pump may draw excessive vacuum causing intake manifold flaps to malfunction. Updated vacuum hose for water pump. *** https://static.nhtsa.gov/odi/tsbs/2018/MC-10133286-9999.pdf NHTSA * When found in 1.4 TSI engine code BWK, check N316. This is a photo of the faulty 2 wire vacuum operated solenoid valve which was causing this DTC. [http://wiki.ross-tech.com/wiki/images/4/4e/N316_on_BWK.jpg Part number: 03C 906 283] __FORCETOC__ [[Category:Fault Codes]]

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