The performance of car injector failure - SINOTRUK (HOWO) LIMITED
special automobile industry development in China
Special automobile industry development in China
2021-04-28
turbocharger
Turbocharger maintenance errors
2021-05-07

The performance of car injector failure

Because gasoline itself contains gums and impurities, or dust and impurities brought in during storage and transportation, over time, sludge-like deposits will form in the automobile fuel tank and fuel inlet pipe.

Because the unstable components in gasoline react at a certain temperature and form glue and resin-like viscous substances. When these viscous substances burn in the injectors, intake valves, etc., these deposits will become hard carbon deposits.


Urban traffic jams and cars are often at low and idling speeds, which will aggravate the formation and accumulation of these deposits.

The deposits will block the needle valve and valve hole of the fuel injector, affect the working performance of the precision parts of the electronic injection system, and cause the power performance to decrease.

Therefore, we need to clean the fuel injector regularly. Generally speaking, it is now recommended that most of the cleaning is carried out when the vehicle is traveling about 20,000 kilometers.

But under good vehicle conditions and good fuel quality, it can be extended to approximately 40,000-60,000 kilometers.

Common faults:

  1. The throttle response is not sensitive, and the acceleration is not as smooth as before.
  2. Engine noise becomes louder, especially at low speed.
  3. Increase in fuel consumption.
  4. Excessive vehicle emissions.

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