BRAND NEW OEM Quality IDLE AIR CONTROL (IAC) VALVE TO SUIT DAEWOO HOLDEN GM OPEL

TO SUIT:

HOLDEN 5.0L V8 LB9 304 MOTORS

[1988-2000] COMMODORE / STATESMAN VG VN VP VQ VR VS VT / HSV VN

HOLDEN 3.8L V6 ECOTEC, SUPERCHARGED & 3800 MOTORS (L27 / L36 / L67)

[1988-2000] COMMODORE VN VP VR VS VT
[1990-2000] COMMODORE UTE VG VP VR VS
[1991-2000] STATESMAN VQII VR VS

OEM#

92061898, 8920618980

PACKAGE INCLUDES:

1 X OEM Quality IDLE AIR CONTROL (IAC) VALVE (4- PIN PLUG)

ABOUT YOUR VEHICLE'S IDEAL AIR CONTROL (IAC) VALVE

The Idle Air Control (IAC) valve is a crucial component in modern automotive engines. It regulates the amount of air that bypasses the throttle plate, allowing the engine to maintain a consistent idle speed, especially when loads fluctuate. The valve adjusts based on various factors like engine temperature, air conditioning use, and electrical load to prevent stalling and ensure smooth operation. If faulty, symptoms may include erratic idle speeds, stalling, or poor engine performance. Regular maintenance and occasional cleaning can help prolong its lifespan and ensure optimal engine performance.

Common Failure Symptoms

Stalling when the engine is idling
Rough or unsteady idling
Extreme RPM drops during a slowdown
The engine may shut off if the AC is turned on
Check Engine Light is on

Common Causes of Failures

General solenoid failure from everyday use
Wear and tear from corrosion
Clogged valve

[09/88 – 08/91] HOLDEN BERLINA VN 5.0L LB9 304 cu.in
[09/91 – 06/93] HOLDEN BERLINA VP 5.0L LB9 304 cu.in
[07/93 – 03/95] HOLDEN BERLINA VR 5.0L LB9 304 cu.in
[04/95 – 05/96] HOLDEN BERLINA VS SERIES 1 5.0L LB9 304 cu.in
[06/96 – 07/97] HOLDEN BERLINA VS SERIES 2 5.0L LB9 304 cu.in
[09/88 – 08/91] HOLDEN CALAIS VN 5.0L LB9 304 cu.in
[09/91 – 06/93] HOLDEN CALAIS VP 5.0L LB9 304 cu.in
[07/93 – 03/95] HOLDEN CALAIS VR 5.0L LB9 304 cu.in
[04/95 – 05/96] HOLDEN CALAIS VS SERIES 1 5.0L LB9 304 cu.in
[06/96 – 07/97] HOLDEN CALAIS VS SERIES 2 5.0L LB9 304 cu.in
[08/97 – 05/99] HOLDEN CALAIS VT SERIES 1 5.0L LB9 304 cu.in
[03/90 – 10/91] HOLDEN CAPRICE VQ SERIES 1 5.0L LB9 304 cu.in
[11/91 – 12/93] HOLDEN CAPRICE VQ SERIES 2 5.0L LB9 304 cu.in
[07/93 – 03/95] HOLDEN CAPRICE VR 5.0L LB9 304 cu.in
[04/95 – 05/96] HOLDEN CAPRICE VS SERIES 1 5.0L LB9 304 cu.in
[06/96 – 05/98] HOLDEN CAPRICE VS SERIES 2 5.0L LB9 304 cu.in
[06/98 – 06/99] HOLDEN CAPRICE VS SERIES 3 5.0L LB9 304 cu.in
[09/90 – 08/91] HOLDEN COMMODORE VG 5.0L LB9 304 cu.in
[03/86 – 08/88] HOLDEN COMMODORE VL 5.0L 304 cu.in Black H.P
[09/88 – 08/91] HOLDEN COMMODORE VN 5.0L LB9 304 cu.in
[09/91 – 06/93] HOLDEN COMMODORE VP 5.0L LB9 304 cu.in
[07/93 – 03/95] HOLDEN COMMODORE VR 5.0L LB9 304 cu.in
[04/95 – 05/96] HOLDEN COMMODORE VS SERIES 1 5.0L LB9 304 cu.in
[06/96 – 05/98] HOLDEN COMMODORE VS SERIES 2 5.0L LB9 304 cu.in
[06/98 – 11/00] HOLDEN COMMODORE VS SERIES 3 5.0L LB9 304 cu.in
[08/97 – 05/99] HOLDEN COMMODORE VT SERIES 1 5.0L LB9 304 cu.in
[03/90 – 10/91] HOLDEN STATESMAN VQ SERIES 1 5.0L LB9 304 cu.in
[11/91 – 12/93] HOLDEN STATESMAN VQ SERIES 2 5.0L LB9 304 cu.in
[07/93 – 03/95] HOLDEN STATESMAN VR 5.0L LB9 304 cu.in
[04/95 – 05/96] HOLDEN STATESMAN VS SERIES 1 5.0L LB9 304 cu.in
[06/96 – 05/98] HOLDEN STATESMAN VS SERIES 2 5.0L LB9 304 cu.in
[06/98 – 06/99] HOLDEN STATESMAN VS SERIES 3 5.0L LB9 304 cu.in
[09/88 – 08/91] HSV COMMODORE VN 5.0L LB9 304 cu.in
[09/91 – 06/93] HSV MALOO VP 5.0L LB9 304 cu.in
[04/95 – 05/96] HSV MANTA VS SERIES 1 5.0L LB9 304 cu.in
[06/96 – 07/97] HSV MANTA VS SERIES 2 5.0L LB9 304 cu.in
[08/97 – 05/99] HSV MANTA VT SERIES 1 5.0L LB9 304 cu.in
[09/91 – 06/93] HSV SENATOR VP 5.0L LB9 304 cu.in
[07/93 – 03/95] HSV SENATOR VR 5.0L LB9 304 cu.in
[04/95 – 05/96] HSV SENATOR VS SERIES 1 5.0L LB9 304 cu.in
[08/97 – 05/99] HSV SENATOR VT SERIES 1 5.0L LB9 304 cu.in
[03/90 – 10/91] HSV STATESMAN VQ SERIES 1 5.0L LB9 304 cu.in
[07/93 – 03/95] HSV STATESMAN VR 5.0L LB9 304 cu.in
[04/95 – 05/96] HSV STATESMAN VS SERIES 1 5.0L LB9 304 cu.in

What does an idle air control valve (IAC) do?

The idle air control (IAC) valve regulates airflow around the throttle plate when the engine is at idle, allowing the ECU to maintain a stable idle speed regardless of engine load. When the air conditioning compressor engages, the steering is turned to full lock, or the engine is cold, the ECU opens the IAC valve further to allow more air and prevent the idle from dropping. On drive-by-wire vehicles this function is handled by the electronic throttle body rather than a separate IAC valve.

What are the symptoms of a failing IAC valve?

Common symptoms include rough or unstable idle where the engine hunts or surges between high and low RPM, stalling when coming to a stop or at traffic lights, idle speed that is consistently too high or too low, stalling when accessories such as air conditioning are switched on, and difficulty starting from cold. A Check Engine light with idle speed or IAC circuit codes may also be present.

Can I clean the IAC valve instead of replacing it?

Yes - if the IAC valve is clogged with carbon buildup rather than mechanically failed, cleaning with throttle body cleaner can restore correct operation. Remove the valve, spray cleaner through the passages, and allow it to dry completely before reinstalling. However if the valve solenoid has failed electrically or the valve body is cracked or worn, cleaning will not restore function and replacement is required. An OBD2 scanner showing an IAC circuit fault code indicates an electrical failure rather than a blockage.

How do I test an IAC valve?

With an OBD2 scanner in live data mode, the idle speed should be stable within the specified range (typically 650 to 850 RPM for a warm engine). You can also use a multimeter to test the solenoid resistance at the IAC connector - compare to the specification in your vehicle service manual. On some vehicles the scan tool can command the IAC valve to specific positions as an actuator test, which will confirm whether it is responding correctly to ECU commands.

Will a faulty IAC valve cause the engine to stall?

Yes - stalling is one of the most common symptoms of a faulty IAC valve. When the throttle closes at idle and the IAC valve cannot supply sufficient bypass air to maintain idle speed, the engine RPM drops below the minimum and stalls. This is particularly common when decelerating to a stop, when the air conditioning compressor engages, or immediately after a cold start before the engine has warmed up.

Does the IAC valve need to be relearned after replacement?

Many vehicles require a throttle or idle relearn procedure after replacing the IAC valve. This allows the ECU to relearn the correct idle position for the new valve. The procedure typically involves clearing fault codes, starting the engine, and allowing it to idle undisturbed for a specified period while the ECU recalibrates. Some vehicles require a more detailed relearn using a scan tool. Check your vehicle service documentation for the specific procedure before returning the vehicle to service.

Identification
SKU	CIA008-2
Barcode #	9314258113179
Brand	Aftermarket OEM Replacement
Part Numbers
Part Number	CIA008
Reference OEM Number	92061898
Other OEM Numbers	92061898, 8920618980
Related Part Numbers	IAC9016, IAC409, CV10017, ISC-014, CV10004, CIA008
Trade Part Numbers	AC234, AC589, 2H1084, AC166
Product Specifics
Type	Ideal Speed Air Control Valve
Features	Direct Fit
Manufacturer Warranty	1 Year
Ean	9314258113179
Number of pins	4 -pin connector
Connector Shape	oval
Supplementary Article Info	with seal ring
Rated Voltage	12 V
Housing Colour	Black
Operating Mode	Electric
Other Details
Note	Always verify fitment using your vehicle's OEM part number.
Unit Of Measure	ea