Auto Systems and Repair: Fuel Injector

Symptoms of Wear or Failure

  • Engine misfire
  • Engine hesitation
  • Check Engine Light may come on
  • Fuel leak

Related Repair Advice

  • Using lower quality gasoline can result in recurring fuel injector problems, even after a fuel injector replacement
  • Fuel injector seals should always be replaced along with fuel injectors
  • Many newer vehicles are using higher pressure fuel injectors that inject fuel directly into the combustion chamber (direct injection), which improves emissions and fuel economy. Older systems inject the fuel into the intake manifold.

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