Dear all i have problem with black exhalation in my audi a4 b6 2006. Whene i put my care in R or whene when you press the gas pedal i have lot of black exhalation bihaind the oil level dosent qange if i drive for five minut in the city partical filter block and i need to drive in high way to clean them.
Pleas can any person help me what to do.