What does it mean when a diesel engine is blowing blue smoke?

What does it mean when a diesel engine is blowing blue smoke?

burning oil

Can faulty injectors cause blue smoke?

This can be caused by worn/leaking injectors or restrictions in the air intake system. Blue smoke is normally the result of engine oil entering & burning inside the combustion chamber. This is most often caused by low compression, or worn piston rings. (Ford 7.3 & 6.0) injectors.

What can cause a diesel engine to smoke?

Really, any smoke would fall into this category. Most common causes of black smoke are faulty injectors, a faulty injector pump, a bad air filter (causing not enough oxygen to be supplied), a bad EGR valve (causing the valves to clog) or even a bad turbocharger.

How do I make my diesel smoke?

How do I make my diesel smoke? 3. Install a smoke switch and start rolling coal like a pro. A smoke switch is the key to fooling your engine into thinking it needs more fuel, which lets out the excessive amount of diesel needed to belch clouds of black smoke.

Will a faulty diesel injector cause white smoke?

A Faulty Fuel Injector Without getting too technical, the injectors that deliver the fuel to the combustion chamber can leak or become stuck in the open position. This means too much fuel in the engine that needs to burn off and be expelled. This is seen as gray or white smoke from the exhaust.

Can glow plugs cause white smoke?

Damaged glow plugs or a faulty glow plug control module can cause white smoke on engine start up. If white smoke is still visible after the engine has warmed up, the engine may have one or more bad injectors, retarded injection timing or a worn injection pump.

Can a blocked fuel filter cause white smoke?

If the fuel filter, head gasket, or cylinder head are damaged, or the engine is clogged or cracked, white smoke will expel from the exhaust.

How can you tell if a diesel injector is bad?

If it starts easier and the exhaust is cleaner, you have found the faulty injector. If the engine will not start at all, it is most likely due to a badly leaking fuel injector causing low fuel pressure. If the engine starts, it is an indication of a bad injector. You must do this to each cylinder, one at a time.