Hyundai Sonata LF: Engine Control System / Fuel Pressure Control Valve Troubleshooting

Fuel Pressure Control Valve Specifications

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Fuel Pressure Control Valve Schematic Diagrams

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Other information:

Hyundai Sonata LF 2014-2019 Service Manual: External AMP Repair procedures

Removal 1. Disconnect the negative (-) battery terminal. 2. Open the trunk, remove the right luggage side trim. (Refer to Body - "Trunk Trim") 3. Remove the external amplifier (B) after disconneting the connector (A) and loosening the mounting nuts...

Hyundai Sonata LF 2014-2019 Service Manual: Repair procedures

Compession Pressure Inspection     If the there is lack of power, excessive oil consumption or poor fuel economy, measure the compression pressure. 1. Make sure the oil in the crankcase is of the correct viscosity and at the correct level and that the battery is correctly charged...