hyundai Workshop Repair Guides

Hyundai Workshop Service and Repair Manuals

Diagram Information and Instructions|Page 4975 > < Diagram Information and Instructions|Page 4973
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Fuel Injector: Testing and Inspection

Circuit Diagram 

Troubleshooting Procedures 

Troubleshooting Hints 

1. If the engine is hard to start when hot, check for fuel pressure and injector leaks.
2. If the injector does not operate when the engine is cranked, then check the followings:

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Faulty power supply circuit to the engine control module, faulty ground circuit

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Faulty MFI control relay

Diagram Information and Instructions|Page 4975 > < Diagram Information and Instructions|Page 4973