There's a lot going on inside your vehicle at any given time, whether you're idling at a red light or driving at freeway speeds. Much of this activity involves chemical reactions that — while ...
The title says it all. 2000 Audi A6 Avant. When the heat is going and pulling fresh air in, after 5 or so minutes of the car running I start smelling exhaust in the cabin. If I put it on recirculate ...
Drivers tend to ignore the exhaust pipe until something dramatic happens. A sudden change in exhaust smoke forces attention fast. Color, thickness, and even smell can signal hidden engine problems ...