Auto Systems and Repair
Fuel Injector Seals
Each fuel injector has two seals—one to seal its connection to the fuel system and another to ensure an air-tight seal with the engine.
Symptoms of Wear or Failure
- Fuel leak
- Engine vacuum leak
- Illumination of the Check Engine Light
Related Repair Advice
- Fuel injector seals should always be replaced along with fuel injectors

Related Items:
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Is it necessary to have a tune-up after installing a fuel injector?
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