It's standard for older diesel engines to emit black smoke under full load, which occurs during "turbo lag." As the diesel engine waits for the turbo to spool, the machine will blow thicker black ...

Modern diesel engines equipped with common-rail direct-injection technology have unlocked more power and torque without emitting plumes of sooty, black smoke. Older diesels are relatively ...

"Exhaust smoke ... "White smoke is an indication of unburned diesel fuel. Normally, it would happen at startup in cold weather with lower compression engines and retarded timing.

If you've ever witnessed the thick black smoke coming from a diesel ... and the EGR (Exhaust Gas Recirculation) system. If your diesel engine and its emission system are working correctly, the ...

Black smoke from the exhaust: In a petrol car ... White smoke coming from a diesel engine could be a sign of a faulty head gasket, coolant leak, cracked engine block or cylinder head.

If your car is blowing blue smoke, it’s a clear sign that the engine is burning oil. What happens is that the valve guide seals or piston rings are worn out, and oil is leaking past from where ...