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FAQ: What are the reasons for black smoke?

ERIKC Answer:Intake factor

Insufficient intake air

Insufficient intake air, low intake air, and the injected fuel can not be completely burned, it will form black smoke. Commonly caused by the intake system, the black smoke has such characteristics: normal idling, black smoke with load operation; insufficient intake air The idling and low-load operation is normal. When the load increases, the air volume cannot change with the amount of fuel, and the air-fuel ratio is changed, causing the mixture to be too concentrated, resulting in black smoke. The intake air volume, intake air temperature, etc., can be read on the diagnostic instrument.

FAQ: What are the reasons for black smoke?

ERIKC Answer: poor air intake

Inlet pipe leakage, bending, blocking, or sucking, especially the hose, it is easily deformed, leading to poor air intake.

FAQ: What are the reasons for black smoke?

ERIKC Answer: turbocharger failure

The supercharger is the core of the air intake system. It converts the energy of the exhaust gas into the intake air energy. The turbocharger has a fault or low efficiency. It directly leads to low boost pressure, insufficient engine power, and even black smoke.