Kia Optima: RCV Control Solenoid Valve. Description and Operation - Engine Control System - Engine Control/Fuel System - Kia Optima TF 2011-2020 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 [20C(68F)] ...

See also:

Digital Clock
When the ignition switch is in the ACC or ON position, the clock buttons operate as follows: A digital clock will not be installed if your vehicle comes equipped with an audio system. Vehicles ...

Installation
1. Remove ignition key from the vehicle. 2. Disconnect the negative (-) cable from battery and wait for at least three minutes. 3. Install the ancho ...

Airbag-advanced supplemental restraint system
* The actual air bags in the vehicle may differ from the illustration. (1) Drivers front air bag (2) Passengers front air bag (3) Side impact air bag (4) Curtain air bag WARNING Even in vehi ...

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