(network Lin Zong 138-6460-0749) fishing 4100/4102 marine diesel engine of Weifang diesel engine plant combustion air intake chamber is certain, if the air filter maintenance is not in place, a combustion chamber of coke increased, blocking or damage the turbocharger exhaust pipe, will reduce the amount of air inside the combustion chamber, combustion and effects of diesel, resulting in a large number of free carbon and the exhaust gas from the exhaust pipe to discharge