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

Fuel Pressure Control Valve Description and Operation

Description Fuel Pressure Control Valve (FPCV) is installed on the high pressure fuel pump and controls fuel flow flowing into the injectors in accordance with the ECM signal calculated based on various engine condition...

Fuel Pressure Control Valve Troubleshooting

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Hyundai Sonata LF 2014-2019 Service Manual: Spark Plug Repair procedures

Inspection [On vehicle inspection] 1. Accelerate the engine to about 3,000 rpm 3 times or more. 2. Remove the spark plug. 3. Check the spark plug visually. If the electrode is dry, the spark plug is normal. If the electrode is wet, check the damage and electrode gap as below...

Hyundai Sonata LF 2014-2019 Service Manual: Smart Key Diagnostic Repair procedures

Inspection Self Diagnosis with Scan Tool It will be able to diagnose defects of SMART KEY system with GDS quickly. GDS can operates actuator forcefully, input/output value monitoring and self diagnosis. The following three features will be major problem in SMART KEY system...