Do all diesel engines have black smoke?
Because you’ve not just got black smoke, there’s also white diesel smoke and even blue diesel smoke. 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.
What does black smoke mean in a diesel engine?
You can make a rough-and-ready diagnosis of many diesel problems by simply ‘reading’ the exhaust smoke (this is generalised advice for all types of diesel engines). Black smoke means there’s too much diesel and not enough oxygen, so the carbon in the fuel doesn’t have enough oxygen to combine with.
Are there any clean diesel engines that don’t smoke?
The newest generation of clean diesel engines hasn’t quite eliminated the smoking, but excessive smoke remains a bane of the malfunctioning oil burner.
Why does my marine diesel engine keep smoking?
A marine diesel that shows a bit of smoke on start-up is probably nothing to worry about, but if it keeps on smoking after a few seconds of run-time, or starts smoking after it warms up, or when you throttle up, that engine is screaming to you to get something fixed. But what’s causing the smoke, and just what needs fixing?
What causes the formation of black smoke out of exhaust?
To commence, it is mainly the fumes consisting dirt, which blows out of the car’s exhaust system. So, if there are thick and black colored vapours, this means that the fuel burns with the less amount of air in the engine. Now the question is what causes the formation of black smoke out of exhaust?
What causes black smoke coming from a diesel engine?
Black smoke is the most common smoke color coming from a diesel engine and most likely indicates something is wrong during the combustion of the diesel fuel. When diagnosing the problem the first place to look at is the mixture of air and fuel flow into the cylinders.
The newest generation of clean diesel engines hasn’t quite eliminated the smoking, but excessive smoke remains a bane of the malfunctioning oil burner.
A marine diesel that shows a bit of smoke on start-up is probably nothing to worry about, but if it keeps on smoking after a few seconds of run-time, or starts smoking after it warms up, or when you throttle up, that engine is screaming to you to get something fixed. But what’s causing the smoke, and just what needs fixing?
Can a bad catalytic converter cause black smoke?
Yes, a bad catalytic converter can cause black smoke. This happens when your car engine is burning oil too much or from a clog caused by fluids from the engine coolant. Note that, apart from the dark smoke being emitted from the exhaust, here are other ways to recognize your catalytic converter isn’t functioning properly is: