How to Remove an Idle Control Valve on a Subaru Impreza?

Disconnect the cable from the negative battery terminal, depress the retaining tab and disconnect the electrical connector from the Idle Control Valve, remove the Idle Control Valve mounting screws and remove the valve, then installation is the reverse of removal using a new gasket.

Genuine Subaru Impreza Idle Control Valve

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7 Idle Control Valves found

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Subaru Impreza Valve Assembly Air Control
Part Number: 22650AA182
$335.05 MSRP: $494.17
You Save: $159.12 (33%)
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Product Specifications
- Other Name: Valve Assembly-Air Control; Idle Speed Control
- Replaces: 22650AA181
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2002-2005 Subaru Impreza | WRX | 2.0L H4 Turbo
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Subaru Impreza Valve Assembly-Air Control
Part Number: 22650AA192
$356.57 MSRP: $525.92
You Save: $169.35 (33%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Idle Speed Control
- Replaces: 22650AA19C
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1999-2004 Subaru Impreza | Brighton, L, Outback, RS, TS | 2.2L H4 Series, 2.5L H4, 2.5L H4 SOHC
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Subaru Impreza Valve Assembly Air Control
Part Number: 22650AA181
$335.05 MSRP: $494.17
You Save: $159.12 (33%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Valve Assembly-Air Control
- Replaced by: 22650AA182
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2002-2004 Subaru Impreza | WRX | 2.0L H4 Turbo
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Subaru Impreza Valve Assembly Air Control
Part Number: 22650AA210
$143.99 MSRP: $210.52
You Save: $66.53 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Valve Assembly-Air Control
- Replaced by: 22650AA21B
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1999-2000 Subaru Impreza | Brighton, L, Outback, TS | 2.2L H4 Series
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Subaru Impreza Valve Assembly Air Control
Part Number: 22650AA211
Product Specifications
- Other Name: Valve Assembly-Air Control
- Replaced by: 22650AA21B
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2000-2001 Subaru Impreza | Brighton, L, Outback, TS | 2.2L H4 Series
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Subaru Impreza Air Control Valve
Part Number: 22650AA033
Product Specifications
- Other Name: Valve Assembly-Air Control
- Replaced by: 22650AA034
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1995-1998 Subaru Impreza | Brighton, L, LX, Outback, RS | 2.2L H4, 2.2L H4 (New EVAPO), 2.5L H4 DOHC
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Subaru Impreza Air Control Valve
Part Number: 22650AA140
Product Specifications
- Other Name: Valve Assembly-Air Control; Idle Speed Control
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1993-1997 Subaru Impreza | Base, Brighton, L, L+, LE, LS | 1.8L H4

Subaru Impreza Idle Control Valve

The Subaru Impreza Idle Control Valve allows air to pass by the throttle plate, ensuring the engine keeps running properly at rest and avoids shuddering and stalling. To overcome sudden electrical or mechanical loads, the ECU controls the Idle Control Valve. This Idle Control Valve employs a compact DC servo motor equipped with a lead screw and optical encoder to slide a plunger. As it does this, it opens and closes an internal air channel to match airflow with the load. Across the Subaru Impreza model years, two principal layouts exist. A bypass-only type sends air around the throttle butterfly, and a newer design can move the butterfly itself for a quicker correction. Nonetheless, each Idle Control Valve aims for a steady idle no matter what components turn on. Over time, the plunger may get gummed up with dust, or the stepper housing may leak, causing idle speed to surge and dip unpredictably. Regular cleaning prevents this from jamming, and replacing it would fix the motor failure. Consistent function of the Idle Control Valve lets every Subaru pull away from a stop without drama, giving each Impreza a calm and reliable idle and ensuring the Impreza runs smoothly.

Our website stands as the go-to online destination for OEM Subaru Impreza Idle Control Valve. With complete lines of genuine Subaru Impreza Idle Control Valve available at unbeatable market prices, we ensure top quality, reliability, and durability. Each part comes backed by the manufacturer's warranty, reinforcing your trust in our offerings.

Subaru Impreza Idle Control Valve Parts Questions & Experts Answers

Valve Assembly Air Control
22650AA182
Q:
How to Remove an Idle Control Valve on a Subaru Impreza?
Posted by Toni R.
A:
Disconnect the cable from the negative battery terminal, depress the retaining tab and disconnect the electrical connector from the Idle Control Valve, remove the Idle Control Valve mounting screws and remove the valve, then installation is the reverse of removal using a new gasket.
Answered by Subaru Parts Specialist Gary / Nov 23, 2025