Kia Optima: RCV Control Solenoid Valve. Description and Operation - Engine Control System - Engine Control/Fuel System - Kia Optima TF 2011-2019 Service ManualKia Optima: RCV Control Solenoid Valve. Description and Operation

Description

RCV (Recirculation Valve) Control Solenoid Valve is installed on the intercooler inlet pipe and operates the RCV actuator which controls the by-pass passage of the turbocharger compressor.

When the throttle is closed, while the engine is running at cruise rpm (tip-out), the turbocharger boost pressure raises rapidly. The pressure wave strikes a compressor blades causing a knocking noise. To prevent this the ECM opens the recirculation valve which allows excessive boost pressure to vent back to the air cleaner side of the turbocharger compressor.


Adjustment
1. Check that the waste gate turbo charger is cool enough to work. 2. Turn the ignition switch to OFF position. 3. Connect the diagnosti ...

RCV Control Solenoid Valve. Specifications
Specification Item Specification Coil Resistance (Ω) 28.3 ~ 31.1 [20°C(68°F)] ...

See also:

Passenger Compartment Fuse Panel Description (Driver’s side kick panel)
...

Installation
1. Apply a light coat of engine oil to the oil cooler packing surface (A), and then install the oil cooler with fix bolt (B). Tightening torque:44.1 ~ 53.9 N.m (4.5 ~ ...

System Operation
Ventilation 1. Set the mode selection switch to the position. 2. Set the air intake control switch to the outside air position. 3. Set the temperature control knob to the desired position. 4. Se ...

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