Diesel Fuel Injector


Diesel Fuel Injector

A diesel fuel injector is a computer-operated valve with a built-in nozzle that sprays a precise amount of pressurized fuel into the combustion chamber.


Signs of a failing diesel fuel injector

  • The check engine light comes on
  • Poor engine performance
  • Increased fuel consumption due to fuel leaks

Diesel fuel injector maintenance

  • Diesel fuel is injected under very high pressure created by a special high-pressure fuel pump. Its failure to function may result in improper engine operation.
  • Problems caused by dirty filters, worn-out plugs, incorrect timing, and a failed fuel pump may be misinterpreted as signs of bad fuel injectors. Make sure the root of the problem is a fuel injector before its replacement.

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