The excluse of the car at normal air temperature must be colourless and should not have an unpleasant smell. A oily black layer should not be formed around the exhaust pipe and on its walls.

If there's oil on the sides of the exhaust pipe, that means there's a problem with the engine. In addition to the settled oil, the symptoms of the problems may be the smoke from the engine starting, the gearshift, or the constant driving, as well as the reduced oil level of the engine.

The reasons for the formation of the oil marks on the inside of the exhaust pipe may be: 1.    The nose of the loft bulb is 2.    The nose of the piston rings.    Isnosed group

The engine shall be diagnostics when the oil is used on the exhaust pipe. It may be possible to avoid costly repairs. You should also check the engine oil level immediately and, if necessary, get the oil up to the maximum level.




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