How to replace the Idle Control Valve on Buick Century?

Begin by turning off the ignition before removing the evap purge valve according to the instructions from this article. Unplug the electrical connector that serves the Idle Control Valve before you remove the retaining screws and then detach the Idle Control Valve and o-ring. The installation requires checking the cone length before placing the new valve to ensure it does not exceed 28 mm (1-1/8 in) and use manual compression if needed. Place the new Idle Control Valve in the Intake Manifold by fastening it with two screws that should be tightened to 3.0 n.m (27 lb in). The Idle Control Valve electrical connector needs reattachment while the technician installs back the evap purge valve. You should turn the ignition to on for ten seconds followed by turning it off for five seconds to reset the Idle Control Valve before starting the engine while it reaches operational temperature.

OEM Buick Century Idle Control Valve

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10 Idle Control Valves found

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Buick Century Idle Speed Control Part Number: 19333271
$78.63 MSRP: $221.36
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Product Specifications
- Other Name: Valve Assembly, Idle Air Control; Fuel Injection Idle Air Control Valve; Idle Air Control Valve; Valve Kit, Throttle Body/Carburetor
- Replaces: 17112898
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1993-1996 Buick Century | Custom, Limited, Special | 4 Cyl 2.2 L GAS
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Buick Century Idle Air Control Valve Part Number: 19333268
$119.09 MSRP: $215.54
You Save: $96.45 (45%)
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Product Specifications
- Other Name: Valve Assembly, Idle Air Control; Idle Speed Control Kit; Multi Portion Fuel Injection Idle Air Valve; Throttle Body/Carburetor.
- Replaces: 17111826
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1991 Buick Century | Custom, Estate Wagon, Limited, Special | 4 Cyl 2.5 L GAS
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Buick Century Idle Speed Control Part Number: 17111888
$17.54 MSRP: $57.54
You Save: $40.00 (70%)
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Product Specifications
- Other Name: Housing Kit, Multi Portion Fuel Injection Idle Air; Idle Air Control Valve; Idle Air Housing
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1987-1989 Buick Century | Custom, Estate Wagon, Limited | 6 Cyl 2.8 L GAS
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Buick Century Idle Air Control Valve Part Number: 19333190
$119.09 MSRP: $215.54
You Save: $96.45 (45%)
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Product Specifications
- Other Name: Valve Assembly, Idle Air Control; Fuel Injection Idle Air Control Valve; Idle Speed Control; Idle Speed Control Motor; Valve, Throttle Body/Carburetor; Valve, Throttle Body Injection
- Replaces: 17112649
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994-1996 Buick Century | Custom, Limited, Special | 6 Cyl 3.1 L GAS
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Buick Century Idle Air Control Valve Part Number: 25527077
Product Specifications
- Other Name: Valve Kit, Throttle Body/Carburetor; Idle Speed Control; Motor; Multi Portion Fuel Injection Air; Throttle Body/Carburetor; Body Injection Valve Kit
- Replaces: 17111460, 17111288
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988 Buick Century | Custom, Estate Wagon, Limited | 6 Cyl 3.8 L GAS
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Buick Century Idle Air Control Valve Part Number: 19351706
Product Specifications
- Other Name: Valve Assembly, Idle Air Control; Fuel Injection Idle Air Control Valve; Idle Speed Control; Valve Assembly; Valve Kit, Multi Portion Fuel Injection Idle Air
- Replaces: 17112350, 17112351
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997-2005 Buick Century | Custom, Limited, Special Edition | 6 Cyl 3.1 L GAS
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Buick Century Idle Speed Control Part Number: 17112145
Product Specifications
- Other Name: Idle Air Control Valve
- Replaced by: 17112650
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1989-1991 Buick Century | Custom, Estate Wagon, Limited, Special | 6 Cyl 3.3 L GAS
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Buick Century Idle Speed Control Part Number: 17079444
Product Specifications
- Other Name: Valve Assembly, Throttle Body Injector Idle Air Control; Idle Air Control Valve
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1985 Buick Century | Custom, Estate, Estate Wagon, Limited, Olympia Limited, T-Type | 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.8 L GAS, 6 Cyl 4.3 L DIESEL
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Buick Century Idle Speed Control Part Number: 17079135
Product Specifications
- Other Name: Control; Idle Air Control Valve
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1985 Buick Century | Custom, Estate, Estate Wagon, Limited, Olympia Limited, T-Type | 6 Cyl 3.8 L GAS, 6 Cyl 4.3 L DIESEL
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Buick Century Idle Air Control Valve Part Number: 17112650
Product Specifications
- Other Name: Valve Assembly, Idle Air Control; Idle Speed Control; Valve Kit, Multi Portion Fuel Injection Idle Air; Valve Kit, Throttle Body/Carburetor
- Replaces: 17112145
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1989-1993 Buick Century | Custom, Estate Wagon, Limited, Special | 6 Cyl 3.3 L GAS

Buick Century Idle Control Valve

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Buick Century's vehicle has a commonly known component known as the Idle Control Valve which is responsible for controlling the engine's idling speed through the control of the airflow that passes around the throttle plate. This electrical device is coupled with the ECU to help control the engine speed during idle so that the engine does not stall during load swings. The valve commonly uses linear servo motor type for controlling the opening and closing of air passage through the throttle body to make the automobile idle at a constant speed. Several types of Idle Control Valves for Buick Century have existed over the years the main differences are in the type of the actuator and the initiating system. Altogether these adjustable valves are fairly reliable but they may come across some problems like the problem of massive dirt deposits due to which they may idle unevenly or stall. Maintenance as well as cleaning is imperative to make sure the Idle Control Valve practices the optimal performance to allow the Buick Century to practice its performance uninterruptedly to the wearer's durations.

Buick Century Idle Control Valve Parts and Q&A

Idle Air Control Valve
19351706
Q: How to replace the Idle Control Valve on Buick Century?
A:
Begin by turning off the ignition before removing the evap purge valve according to the instructions from this article. Unplug the electrical connector that serves the Idle Control Valve before you remove the retaining screws and then detach the Idle Control Valve and o-ring. The installation requires checking the cone length before placing the new valve to ensure it does not exceed 28 mm (1-1/8 in) and use manual compression if needed. Place the new Idle Control Valve in the Intake Manifold by fastening it with two screws that should be tightened to 3.0 n.m (27 lb in). The Idle Control Valve electrical connector needs reattachment while the technician installs back the evap purge valve. You should turn the ignition to on for ten seconds followed by turning it off for five seconds to reset the Idle Control Valve before starting the engine while it reaches operational temperature.