Tag: check first P0299 fault code

Diagnostic code P0299 stored on a VW TDI first thing I check are these vacuum lines. These are some of the common vacuum areas that are bad, it is important to check all the braided lines including the one leading to turbo and the N75 valve. Sometimes just a visual inspection of these lines can be misleading as the slit maybe very small, best practice is top use a vacuum gauge. -If you have P0299 on a Golf or Jetta with 2.0L TDI check the exhaust valve control module -J883 for seizing or if it’s binding in the . -If you have P0299 on a newer 1.9 TDI check vacuum supply line from the vacuum reservoir located at the valve cover. – If you have P0299 stored on Audi 2.0 TFSI with P0299 first check the Boost Pressure Control Valve (N249), as this was a known common problem. – If you have P0299 stored on Audi 09 to 2012 with engine code CAEB, Google search, turbocharger excessive waste gate play engine CAEB.