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  • Taizhou Genour Power Machinery Co., LTD.

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Taizhou Genour Power Machinery Co., LTD.

Home > News > What is the cause of small gasoline generators exhaust smoke abnormal?
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What is the cause of small gasoline generators exhaust smoke abnormal?

When the small gasoline generators in the engine exhaust emission anomalies in general, the cause of the failure and maintenance methods are as follows:


The engine exhaust pipe is black smoke:


(1) Poor fuel quality used
Due to the use of poor fuel quality, resulting in the fuel into the cylinder can not be completely burned, causing black smoke. As long as the use of qualified fuel, the fault can be ruled out.

(2) The injector is damaged
As the injector has a lot of pressure in the injection, if the fuel mixed with impurities, hard impurities may be the injector wall pierced, thus changing the fuel injection accuracy. Excessive fuel in the cylinder can not be completely burned, will also lead to exhaust pipe black smoke, this time should replace the injector.
(3) Air filter is blocked
Due to the more dust on the environment, a large number of dust caused by a serious air filter plug, resulting in insufficient air into the cylinder combustion, fuel combustion is not complete and cause black smoke. At this point should be clean or replace the air filter, and do a good job cleaning the environment to prevent such failures.
(4) Engine fuel injection timing is wrong
The operation of each cylinder of the engine is based on the calibration of its injection time, that is, the work process of the piston should be corresponding to the fuel injection. If there is a time difference between the two, it will cause the combustion is not complete, and black smoke. At this point need to adjust the engine fuel injection timing and valve clearance, in order to troubleshoot.

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