P0299 Code When Your Turbocharger Boost Sensor Goes Awry

Typically found as a P0299 code, an underboost occurs when the throttle intake pressure is less than the demanded throttle intake (4 psi) ... When found in 2.0l TFSI: Check Boost Pressure Control Valve (N249), for cracked rubber diaphragm. A new/optimized Valve is available, see parts catalog. P0299 is a turbo underboost code IIRC. It will be covered. Powertrains good til 60k. Sent from my DROID BIONIC using AutoGuide.Com Free ... Learn what the diagnostic trouble code P0299 is and what the possible causes may be. This code means there is a turbo/supercharger underboost condition. Cayenne 9Y0 2019 - - Code P029900 - Turbo Super Charger Underboost. Found problem, but need part name.. - I just got my 2019 Cayenne S fall ... The P0299 diagnostic trouble code (DTC) shows up when your car's engine isn't getting enough boost from the turbocharger or supercharger. The underboost code should mean that you have the turbo vanes sticking or are leaking air somewhere after the turbo before it goes in the engine ... This code specifically points to a problem related to turbocharger underboost, indicating that the turbocharger is not delivering the expected amount of boost ... The dealer replaced a valve for the turbo. Never got the details, but it must be the valve that controls the turbo variable vane actuator or the wastegate. When the OBD-II P0299 trouble code triggers, it indicates an underboost condition with either the Turbo or Supercharger “A”, giving excessively ...