Inlate-2003 (2004 model year), roller cams were introduced and this finally solved the problem of camshaft wear. Audi got it right just before the production of the 2.5 TDI stopped. Roller cams were then Itdepends on if you get the 170bhp or 140bhp spec. Generally speaking the 140bhp have fewer problem, had mine 9 months with no real engine problems. The Anotherengine from Volkswagen. This time we are looking at a 2,7 liter TDI unit. Is the engine worth recommending? The 2.7 TDI was mainly used with models from Ingolstadt (Audi A4, A5, A6). It is based on 6 cylinders, 24 valves and common rail direct fuel injection (Bosh piezoelectric injectors). When it comes to equipment, Luckily the 2.0 TDI engines in the Audi A3 don’t have balance shaft modules, which were problematic in other Audi cars. This leaves us just with potential cylinder head problems. If you really want a car with the 2.0 TDI engine, the best choices before 2008 would be engines with a revision “C” cylinder head or the 8-valve BMM Ifyou own this popular family sedan, remain alert for signs of problems and take the car to a VW and Audi shop if you notice performance irregularities. TDI Engine Failure in Woodinville: Signs to Watch For. In 2012 to 2014 models, owners have complained of turbine issues in the 2.0 TDI diesel engine. AudiA3 fuel leak problem ('08-'11) Some 2.0-litre TDI models that were built between 2008 and 2011 can leak diesel. This problem affects only the 2.0-litre common-rail diesel engines. Audi VW2.5-liter TDI CR Engine Problems and Reliability. The 2.5-liter TDI CR had some turbo failures, which caused high oil consumption. The 2010 version of the 2.5 TDI CR engine was redesigned, correcting the previous problems of turbo failure. The DPF life is about 100,000 miles. Many DPF problems are down to faulty pressure sensors. VWand Audi TDI forum, Chevy Cruze diesel forums. General Diesel Discussion The patient is Golf 2.0 TDi year 2005 BKD-engine. (yes, I connected there a gauge to see the vacuum) will not go too high, one can get even 170 km/h speed w/o issues. We cleaned the turbo by loosening the exhaust pipe from turbo and turning it to fHEc.