Hyundai Sonata LF: Engine Control System / Fuel Pressure Control Valve Description and Operation
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.

Inspection
1.
Turn the ignition switch OFF.
2.
Disconnect the RCV connector.
3.
Measure resistance between the RCV terminals 1 and 2.
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Other information:
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