The vehicle may also have its registration suspended. Alternatively, you can use our website , with full details and we'll contact the offending vehicle's owner. Causes of Excessively Smoky Vehicles Excessive smoke from engines can be caused by a number of different factors, resulting in incomplete combustion. This may be a fault of the fuel management or the ignition system. The fault may also be a result of excessive amounts of engine oil or transmission fluid leaking into the combustion chamber.
All engines require oil for the proper lubrication of moving components.
The quantity of oil for different vehicles varies widely and is dependent on many factors, including driving habits. The most common cause of smoke from motor vehicles is the presence of engine oil in the combustion chamber. Visible smoke is an indication that the engine is in need of an overhaul. Advice should be sought from a reputable engine reconditioner. Faulty fuel system Smoke from motor vehicles may also be caused by an incorrect air fuel mixture.