Kia Optima: RCV Control Solenoid Valve. Description and Operation - Engine Control System - Engine Control/Fuel System - Kia Optima TF 2011-2023 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:

Components and Components Location
Components Location 1. AVN (A/V & Navigation head unit) 2. Midrange speaker 3. External amplifier 4. Roof antenna (GPS + SDARS) 5. Front door speaker 6. Rear speak ...

Fuel Filler Cap. Description and Operation
Description A ratchet tightening device on the threaded fuel filler cap reduces the chances of incorrect installation, which seals the fuel filler. After the gasket on the fuel filler cap and t ...

Installation
1. Install the heater control module. ...

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