AudiPorsche: (B7) A4 (B8) A4 Q7 (C6) A6 (D3) A8 Porsche Cayenne. The 6 Most Common Volkswagen/Audi 3.0 TDI Engine Problems. Timing Chain Tensioner (Pre 2007) This is a lesser Withthe engine off, disconnect the vacuum motor line and hook up your manual vacuum pump and pump itthe arm should move more than a littleif it doesn't the flap or rod the flap (s) move on is stuck and you either remove the intake manifold and free it or replace the intake manifold. Reply Like. 11-11-2014, 08:39 AM. audiup 2000 KiB) Downloaded 1111 times audi imv plugged out then in.psdata (4.78 MiB) Downloaded 992 times Audi_A4_2010_Diesel_Good idle.psdata (2.7 MiB) Downloaded 1037 times audi idle imv and rpr.psdata Engine rough idle (11.36 MiB) Downloaded 1007 times Gofor the 2.0 TDI engine, which is smoother than the 1.9-litre diesel option. You get 138bhp and an average of 47.9mpg. Large diesels comprise 2.5-litre, 2.7-litre and a 3.0-litre V6s. Hi I'm having some problems diagnosing the problem with my A4 2.0 TDI blb engine. The car is loosing power when i tried to accelerate, and thick black smoke appears from the exhaust. When the engine is cold it works better the when it's warm. The fault codes that show up are: P0101: Mass or Volume Air Flow Sensor A Circuit Rang / Thisguide will assist you in diagnosing any brake issue you may be facing with your Audi A4. This article applies to the Audi A4 B7 (2005-2009). There are various things that can go wrong with your Audi A4's brake system that could affect its stopping power. Whether you hear noises when you brake, your brake pedal feels spongy, or you . #12. Same issue here, car kind of falls on its face after 3000 rpm. It’s got new injectors, new 11mm pump, engine has about 30k miles on it New vacuum pump, new N75, new one way check valve, newer turbo, new exhaust. It’s an 03’ and the car hasn’t been tuned for the .230 nozzles but I’ve been extremely careful, only Inthis article, we’ll highlight common Audi 2.0 TDI engine problems. We discuss the best ways to diagnose, avoid and fix them. It will also help when buying any Audi with the 2.0 TDI ‘ BKD’ engine and problem solve with an existing vehicle. See more A42.0 TDi 140/170bhp issues. Seat or VW with the common rail 2.0 TDI is a better better bet than an older Audi for the same money with the PD 2.0 TDI. old Audi A4 (2004-2008) but with New Whats Problems of Audi A4 B7 2.0 TDI? The most common engines in the B7 are 16-valve engines, marked with the codes BRE and BLB (140 HP) and BRD (170 HP). Many opinions about some 2.0 TDI engine are exaggerated, and as practice shows, there are cars on the market with mileage of well over 200,000. km that did not have any of the above T9FK.