Hyundai Sonata: Fuel Pressure Control Valve. Schematic Diagrams
Circuit Diagram

Fuel Pressure Control Valve. Troubleshooting
Signal Waveform
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Fuel Pressure Control Valve. Repair procedures
Inspection
1.
Turn the ignition switch OFF and disconnect the battery negative
(-) cable.
2.
Disconnect the fuel pressure regulator valve ...
See also:
Positive Crankcase Ventilation (PCV) Valve. Description and Operation
Operation Principle
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Trailer towing
We do not recommend using this vehicle for trailer towing. ...
Mic. Repair procedures
Inspection
1.
Disconnect the negative(-) battery terminal.
2.
Remove the roof trim.
(Refer to the BD group - "Roof trim")
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