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PRODUCT OVERVIEW
The Goss Idle Speed Control Valve IAC426 is an idle air control (IAC) valve designed to regulate engine idle speed in fuel injected vehicles. It allows a controlled amount of air to bypass the closed throttle plate, enabling the engine control module (ECM) to maintain a stable and accurate idle.
FUNCTION & BENEFITS
- Provides precise control of engine idle speed in fuel injected engines.
- Allows metered air bypass of the throttle plate when closed.
- Responds to ECM commands during start-up, cold start, and warm-up.
- Compensates for additional electrical loads, air conditioning, and automatic transmission use.
- Helps prevent rough idle, stalling, or loss of idle.
The IAC426 is an essential component of the engine management system, ensuring smooth idle quality under varying operating conditions such as deceleration and changes in accessory loads.
QUALITY & RELIABILITY
- Manufactured to OEM-equivalent specifications for fit and performance.
- Engineered to install and connect like the original factory component.
- Tested to meet or exceed the performance of the part it replaces.
- Designed for long service life and consistent idle control.
This idle speed control valve offers a high-quality aftermarket solution, delivering reliable performance and helping reduce downtime and troubleshooting associated with poor idle characteristics.
WHEN TO REPLACE THE IAC VALVE
- Engine cannot maintain a steady idle speed.
- Frequent stalling at idle or when coming to a stop.
- No idle condition when the throttle is released.
These symptoms can indicate a faulty or sticking idle air control valve and may require replacement with a correctly specified unit such as the IAC426.
PART DETAILS
- Part Number: IAC426
- Component Type: Idle Speed Control Valve / Idle Air Control Valve (IAC)
- Application: Fuel injected engine idle speed control (vehicle-specific fitment to be confirmed).
Please confirm compatibility with your specific vehicle using the appropriate fitment or registration lookup before purchase.
Vehicle Compatibility
| Make | Model | Year | Submodel | Variant | Engine | Notes |
|---|---|---|---|---|---|---|
| Ford | Fairlane | 2002 | AU Sedan 5.0 MPFI V8 | RWD Petrol 5.0L 8cyl 175kW MNG,Z (MPFI) | 4942cc 175kW (Petrol) | |
| Ford | Fairmont | 2002 | AU Sedan 5.0 MPFI V8 (AU, AUII, AUIII) | RWD Petrol 5.0L 8cyl 175kW MNG,Z (MPFI) | 4942cc 175kW (Petrol) | |
| Ford | Fairmont | 2002 | AU Wagon 5.0 MPFI V8 (AU, AUII, AUIII) | RWD Petrol 5.0L 8cyl 175kW MNG,Z (MPFI) | 4942cc 175kW (Petrol) | |
| Ford | Falcon | 2002 | AU Platform/Chassis 5.0 MPFI V8 (AU, AUII, AUIII) | RWD Petrol 5.0L 8cyl 175kW MNG,Z (MPFI) | 4942cc 175kW (Petrol) | |
| Ford | Falcon | 2002 | AU Sedan 5.0 MPFI V8 (AU, AUII, AUIII) | RWD Petrol 5.0L 8cyl 175kW MNG,Z (MPFI) | 4942cc 175kW (Petrol) | |
| Ford | Falcon | 2002 | AU Sedan 5.0 MPFI V8 XR8 (AU, AUII) | RWD Petrol 5.0L 8cyl 220kW SY5 | 4942cc 220kW (Petrol) | |
| Ford | Falcon | 2002 | AU Ute 5.6 MPFI V8 XR8 Pursuit (AUIII) | RWD Petrol 5.6L 8cyl 250kW SY56 | 5605cc 250kW (Petrol) | |
| Ford | Falcon | 2002 | AU Ute 5.0 MPFI V8 (AU, AUII) | RWD Petrol 5.0L 8cyl 175kW MNG,Z (MPFI) | 4942cc 175kW (Petrol) | |
| Ford | Falcon | 2002 | AU Ute 5.0 MPFI V8 XR8 (AUII, AUIII) | RWD Petrol 5.0L 8cyl 200kW MNG,Z (MPFI) | 4942cc 200kW (Petrol) | |
| Ford | Fairlane | 2001 | AU Sedan 5.0 MPFI V8 | RWD Petrol 5.0L 8cyl 175kW MNG,Z (MPFI) | 4942cc 175kW (Petrol) | |
| Ford | Fairmont | 2001 | AU Sedan 5.0 MPFI V8 (AU, AUII, AUIII) | RWD Petrol 5.0L 8cyl 175kW MNG,Z (MPFI) | 4942cc 175kW (Petrol) | |
| Ford | Fairmont | 2001 | AU Wagon 5.0 MPFI V8 (AU, AUII, AUIII) | RWD Petrol 5.0L 8cyl 175kW MNG,Z (MPFI) | 4942cc 175kW (Petrol) | |
| Ford | Falcon | 2001 | AU Platform/Chassis 5.0 MPFI V8 (AU, AUII, AUIII) | RWD Petrol 5.0L 8cyl 175kW MNG,Z (MPFI) | 4942cc 175kW (Petrol) | |
| Ford | Falcon | 2001 | AU Sedan 5.0 MPFI V8 (AU, AUII, AUIII) | RWD Petrol 5.0L 8cyl 175kW MNG,Z (MPFI) | 4942cc 175kW (Petrol) | |
| Ford | Falcon | 2001 | AU Sedan 5.0 MPFI V8 XR8 (AU, AUII) | RWD Petrol 5.0L 8cyl 220kW SY5 | 4942cc 220kW (Petrol) | |
| Ford | Falcon | 2001 | AU Sedan 5.0 MPFI V8 XR8 (AUII) | RWD Petrol 5.0L 8cyl 200kW MNG,Z (MPFI) | 4942cc 200kW (Petrol) | |
| Ford | Falcon | 2001 | AU Ute 5.0 MPFI V8 (AU, AUII) | RWD Petrol 5.0L 8cyl 175kW MNG,Z (MPFI) | 4942cc 175kW (Petrol) | |
| Ford | Falcon | 2001 | AU Ute 5.0 MPFI V8 XR8 (AU, AUII) | RWD Petrol 5.0L 8cyl 185kW MNG,Z (MPFI) | 4942cc 185kW (Petrol) | |
| Ford | Falcon | 2001 | AU Ute 5.0 MPFI V8 XR8 (AUII, AUIII) | RWD Petrol 5.0L 8cyl 200kW MNG,Z (MPFI) | 4942cc 200kW (Petrol) | |
| Ford | Fairlane | 2000 | AU Sedan 5.0 MPFI V8 | RWD Petrol 5.0L 8cyl 175kW MNG,Z (MPFI) | 4942cc 175kW (Petrol) |