What is the location and removal process for the IAC valve on Kia Optima?

First of all, the Idle Control Valve, used on 2001-2006 engines, is found under the throttle body on four-cylinder engines and beside the throttle body on V6 engines. To remove, disconnect the negative battery terminal cable, remove the throttle body on four-cylinder engines, disconnect the Idle Control Valve's electrical connector, and remove the valve and old gasket. Installation is the reverse of removal, using a new gasket and securely tightening the valve's mounting fasteners.

Genuine Kia Optima Idle Control Valve

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2 Idle Control Valves found

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Kia Optima ACTUATOR Assembly-Idle S
Part Number: 3515033010
$162.31 MSRP: $232.20
You Save: $69.89 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Actuator Assembly-Idle Speed; Idler Speed Control
- Manufacturer Note: SELECTIVE USE
- Replaces: 3515033001
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2000-2005 Kia Optima | High Grade, Middle Grade | 2.4L, 2.5L, 2.7L | 4 Door Sedan
View related parts
Kia Optima ACTUATOR Assembly-Idle S
Part Number: 3515033001
$167.18 MSRP: $232.20
You Save: $65.02 (28%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Actuator Assembly-Idle Speed
- Manufacturer Note: SELECTIVE USE
- Replaced by: 3515033010
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2000-2005 Kia Optima | High Grade, Middle Grade | 2.4L | 4 Door Sedan

Kia Optima Idle Control Valve

The Idle Control Valve in Kia Optima vehicles is responsible for controlling the idling speed of the engine by controlling the air that goes round the throttle plate. Being an electrically operated gadget, the Idle Control Valve features the engine control unit so that the car will not stall while idling or when there are changing loads. The IAC actuator generally contains a linear servo motor; it opens an Idle Control Valve to modify the position of a plunger which in turn regulates air flow into the throttle body. These are robust valves mainly targeted at durability but their problems range from jamming due to dirt or dust to erratic idle speeds. Cleaning is as critical in the care and management of the Idle Control Valve as is any other mechanical component in Kia Optima vehicles to enhance its performance throughout its durability.

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Kia Optima Idle Control Valve Parts Questions & Experts Answers

ACTUATOR Assembly-Idle S
3515033010
Q: What is the location and removal process for the IAC valve on Kia Optima?
A: First of all, the Idle Control Valve, used on 2001-2006 engines, is found under the throttle body on four-cylinder engines and beside the throttle body on V6 engines. To remove, disconnect the negative battery terminal cable, remove the throttle body on four-cylinder engines, disconnect the Idle Control Valve's electrical connector, and remove the valve and old gasket. Installation is the reverse of removal, using a new gasket and securely tightening the valve's mounting fasteners.

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