White smoke occurs in a diesel engine when the diesel fuel goes through the engine and reaches the exhaust without having been burned. This typically occurs due to the engine being too cool to burn the fuel, often resulting from low compression in one cylinder, problems with the fuel injection timing or a defective fuel injector.Know More
Other causes for a diesel engine failing to burn the diesel fuel and producing white smoke include poorly sealed piston rings, burnt-out glow plugs, poor fuel quality or a clogged air filter. Extreme engine problems, such as a cracked block, a cracked cylinder head, leaking valves or a blown head gasket, can also cause the problem.
Sometimes white smoke only appears when the engine starts cold, going away as the engine warms up. When this occurs, it is typically due to deposits around the piston rings. Products designed to flush carbon away from the pistons often cures this problem. If the white smoke is due to the engine being too cool, adding an automatic pre-heater may eliminate white diesel smoke.
Diesel engines also sometimes produce black or blue smoke, both of which are also signs of problems within the engine. Black smoke indicates poor combustion of the diesel fuel, and blue smoke is a sign of oil burning within the engine.Learn more about Engine
Overheating of a diesel engine can be caused by anything that decreases the efficiency of the cooling system. Low levels or loss of coolant, poor air flow through the radiator and a defective thermostat are just a few of the problems that could cause a diesel engine to overheat.Full Answer >
A diesel engine is powered by extreme air pressure that ignites the fuel in the cylinders to create internal combustion. This is why diesel vehicles require drivers to wait several seconds after attempting to start the ignition. The waiting period gives the air pressure time to accumulate in the cylinders.Full Answer >
If properly maintained, a diesel engine can last between 300,000 to 600,000 miles. In a few cases, drivers have reported that their diesel engines endured up to 1,000,000 miles.Full Answer >
If diesel fuel ends upÂ in a gas tank by mistake, it's unlikely that the engine will even start. However, if it does start, theÂ car's performance will decline because the engine's timing will be off orÂ could cause engine knocking.Full Answer >