Premium Standard Motor Products Idle Control Valve AC291

Ensure smooth idle quality and optimal engine performance with the Standard Motor Products Idle Control Valve AC291 (SKU 29-098). This premium OEM-quality idle air control valve is engineered by Standard Motor Products to precisely regulate idle speed by controlling the amount of air bypassing the throttle plate, ensuring stable idle, smooth cold starts, and consistent engine performance under varying load conditions. Designed specifically for Ford Explorer UN/UP with 4.0L V6 engine, this valve ensures dependable engine management system performance and long service life for your Ford Explorer.

CLICK HERE TO CHECK IF THIS FITS YOUR VEHICLE.

Key Features & Benefits

• Premium Standard Motor Products Quality - OEM-grade component built to exacting standards
• Ford Explorer Application - Designed for Explorer UN/UP models
• 4.0L V6 Engine Compatible - Engineered for 4.0L V6 engines
• Precise Idle Control - Accurately regulates idle air bypass
• Stable Idle Quality - Maintains consistent idle speed under all conditions
• Smooth Cold Starts - Ensures reliable starting in cold weather
• Load Compensation - Adjusts idle when A/C, lights, or other loads are applied
• Better Fuel Economy - Optimal idle speed minimizes fuel consumption
• Reduced Emissions - Proper idle control reduces harmful emissions
• Long Service Life - Durable construction for extended reliability

Technical Specifications

• Standard Motor Products Part Number: AC291
• SKU: 29-098
• Component Type: Idle Air Control Valve (IAC / IACV)
• Primary Application: Ford Explorer UN/UP 4.0L V6
• Weight: 0.3 kg (approximate)

Vehicle Compatibility

This Standard Motor Products idle control valve is compatible with the following Ford models and engine:

• Ford Explorer UN (4.0L V6 engine)
• Ford Explorer UP (4.0L V6 engine)

Always verify fitment for your specific vehicle and engine configuration.

CLICK HERE TO CHECK IF THIS FITS YOUR VEHICLE.

OEM Part Number Cross-Reference

This Standard Motor Products idle control valve replaces the following OEM part numbers:

• AC291 (Standard Motor Products)
• 88919775 (Ford)
• 97JF9F715BA (Ford)
• 97JZ9F715BA (Ford)
• ISC-098 / ISC098

Common Symptoms of Faulty Idle Control Valves

• Check engine light with IAC codes (P0505, P0506, P0507)
• Rough or unstable idle
• Engine stalling at idle or when coming to a stop
• High idle speed that won't come down
• Low idle speed causing engine to stall
• Idle speed fluctuating or hunting
• Poor cold start performance
• Engine stalling when A/C is switched on
• Increased fuel consumption at idle

What Does an Idle Control Valve Do?

The idle air control (IAC) valve is a critical component of your vehicle's engine management system that regulates engine idle speed. Mounted on or near the throttle body, the IAC valve controls the amount of air that bypasses the closed throttle plate during idle conditions. The engine control unit (ECU) commands the IAC valve to open or close based on engine temperature, electrical load, and other operating conditions to maintain the correct idle speed. When the engine is cold, the IAC valve opens wider to allow more air for a higher fast idle. As the engine warms up, the valve gradually closes to reduce idle speed. The IAC valve also compensates for additional electrical loads such as air conditioning, headlights, and power steering to prevent the engine from stalling.

Why Choose Premium Standard Motor Products Idle Control Valves?

Premium Standard Motor Products idle control valves are designed to meet or exceed original equipment specifications, ensuring precise airflow control, reliable operation, and long service life. As a leading automotive aftermarket supplier, Standard Motor Products engine management components are built to exacting standards with precision engineering and quality materials. Using premium Standard Motor Products valves ensures proper fitment, maintains your vehicle's engine management system integrity, and provides the reliability you need for worry-free driving.

Installation Notes

Professional installation is recommended for best results. IAC valve replacement requires disconnecting the battery, locating the valve on the throttle body, disconnecting the electrical connector, and removing the mounting screws. Clean the mounting surface and passages thoroughly before installation. Install the new valve with a new gasket or O-ring (if applicable) and torque the mounting screws to manufacturer specifications. Reconnect the electrical connector. The IAC valve may require an idle relearn procedure after installation. Clear any diagnostic trouble codes and allow the engine to reach operating temperature to verify proper idle operation.

Why Choose LM15 Motorsport?

We supply premium Standard Motor Products engine management components with fast shipping across Australia. Every idle control valve is carefully inspected to ensure you receive a quality component for reliable engine management system performance. Our team has extensive experience with Ford vehicles and can provide expert advice on engine management system maintenance and troubleshooting.

Need help with fitment or installation? Contact our expert team for advice specific to your Ford Explorer UN/UP 4.0L V6 idle control valve requirements.