friend’s car just opened less than a month, when the gas station to refuel employee said: handsome, you car exhaust pipes are black, a look that is engine failure, low cylinder pressure, you buy two bottles fast fuel treasure it. The results of it? The results of course, is refusing to buy fuel treasure it. That black exhaust pipe is exactly what causes it?
1, black root of
In fact, black exhaust pipe does not explain too many problems, many of my friends said: exhaust pipe black, is carbon caused by burning oil or chant; this view is correct, but not absolute, why do you say? If the vehicle or coke burning oil, a little longer, the exhaust pipe will be black; but even if your car is not coke, not burning oil, a long time the exhaust pipe is also likely black.
