Audi / VW
VW / Audi 1.8 engine oil sludge rip off
My 1998 Passat did the same thing. I have owned over 50 cars in my life, changed the oil every 3,000 miles and this engine and tubo seized because the pick up screen on the oil pump gets clogged, the screen is too fine and the engine runs too hot and creates carbon deposits that plug the screen. ...