Hyundai Sonata LF: Engine Control System / RCV Control Solenoid Valve Repair procedures

Hyundai Sonata LF 2014-2019 Service Manual / Engine Control / Fuel System / Engine Control System / RCV Control Solenoid Valve Repair procedures

Inspection

1.	Turn the ignition switch OFF.

2.	Disconnect the RCV connector.

3.	Measure resistance between the RCV terminals 1 and 2.

Check that the resistance is within the specification.

Specification: Refer to "Specification"

Removal

1.	Turn the ignition switch OFF and disconnect the battery negative (-) terminal.

2.	Remove the air duck (A). (Refer to Engine Mechanical System - "Air Cleaner")

3.	Disconnect the RCV control solenoid valve connector (A) and vapor hoses (B).

4.	Remove the RCV control solenoid valve (D) by loosening the mounting bolts (C).

Installation

•	Install the component with the specified torques.

•	Note that internal damage may occur when the component is dropped. If the component has been dropped, inspect before installing.

Install in the reverse order of removal.

RCV control solenoid valve bracket installation bolt: 9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)

RCV Control Solenoid Valve Schematic Diagrams

C..

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...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Troubleshooting

Troubleshooting SymptomSuspect areaRemedyEngine misfire with abnormal internal lower engine noises.Loose or improperly installed engine flywheel.Repair or replace the flywheel as required.Worn piston rings.(Oil consumption may or may not cause the engine to misfire...

Hyundai Sonata LF 2014-2019 Service Manual: Special Service Tools