What Causes Black Smoke From Diesel Engines?

Fast Answer

Black smoke from a diesel engine is caused by an unbalanced air-fuel ratio. Either there is not enough oxygen added in the combustion process or too much fuel is injected and the mixture is too rich. Burning is insufficient in the bee variants. Black smoke is one of the most common smoke problems for diesel vehicles.

FULL ANSWER

The black smoke emitted from a diesel vehicle is full of particles, such as carbon and soot, which are not optimally burned inside the engine. If the air-fuel ratio was correct, these particles normally burn as fuel. Due to lack of proper air or fuel, the performance of the vehicle is directly affected, it is likely to pollute with significant amounts of gas, and this problem can cause and affect other engine components such as: Turbocharger, Particulate Filter, EGR.

The most common causes of an insufficient air-fuel ratio are faulty injectors, a faulty injection pump, a bad or dirty air filter, a faulty EGR valve, a bad turbocharger, or a leaky pipe on the air intake side. These are some of the easiest remedies for black smoke. Other more complex aspects of the engine that could cause black smoke include incorrect timing, incorrect valve clearance, bad fuel, carbon buildup in the combustion chamber, low compression cylinder, carbon buildup in the intake manifolds and problems. related to engine TuneUp / ChipTunning.

The best way to prevent black smoke is to keep up with the basic engine components, such as making worn parts.

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