Hyundai Sonata LF: Engine Control System / RCV Control Solenoid Valve Description and Operation

Hyundai Sonata LF 2014-2019 Service Manual / Engine Control / Fuel System / Engine Control System / RCV Control Solenoid Valve Description and Operation

Description

RCV (Recirculation Valve) Control Solenoid Valve is installed on the cooling pan motor top and operates the RCV actuator which controls the by-pass passage of the turbo-charger compressor.

When the throttle valve is closed during engine running [Tip-out], crash noise of the impeller will occur because of rapid increasing of the boost pressure. So, in this case, in order to prevent this phenomenon, ECM maintains the appropriate boost pressure by opening the by-pass passage.

Electric WGT Control Actuator Repair procedures

Inspection [Motor] 1. Turn ignition switch OFF. 2. Disconnect the EWGA connector. 3. Check that the EWGA is stuck by foreign material. 4...

RCV Control Solenoid Valve Specifications

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Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Oil Pressure Switch Repair procedures

Removal and Installation 1. Remove the under cover. 2. Remove the oil drain plug, and drain the oil into a container. 3. Remove the oil pressure switch (A). Tightening torque : 7.8 ~ 11.7 N.m (0.8 ~ 1.2 kgf.m, 5.7 ~ 8.6 lb-ft) 4...

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