Holstein 2IAC0197 Idle Air Control Valve

Idle Air Control Valve for Jeep and Land Rover

Holstein Parts 2IAC0197 is an idle air control valve for select Jeep and Land Rover applications. It is used to regulate bypass air at idle so the engine can maintain a steady idle speed under changing load conditions.

Compatible with 1991-2002 Jeep Cherokee, Grand Cherokee, Comanche, Wrangler, and TJ applications, as well as select 1995-2002 Land Rover Range Rover, Discovery, and Defender 90 models.

• Idle air control valve for fuel injection systems
• Supports stable idle speed during cold starts and accessory load changes
• Direct fitment for select Jeep and Land Rover vehicles
• Cross-references Standard Ignition AC151 for the same application
• Holstein Parts 2IAC0197 replacement for select OE-style applications

Fitment Details

• Fits 1995-2002 Land Rover Range Rover, N/A; Motor-Multi Point Injection Stepping; Holstein Parts
• Fits 1997-1998 Land Rover Discovery, N/A; Valve - Idle Air Control; Holstein Parts
• Fits 1991-1997 Jeep Cherokee, N/A; Holstein Parts
• Fits 1993-1997 Jeep Grand Cherokee, N/A; Holstein Parts
• Fits 1997 Jeep TJ, N/A; Holstein Parts
• Fits 1997 Jeep Wrangler, N/A; Holstein Parts
• Fits 1991-1995 Jeep Wrangler, N/A; Holstein Parts
• Fits 1997 Land Rover Defender 90, N/A; Holstein Parts
• Fits 1996 Land Rover Discovery, N/A; Valve - Idle Air Control; From Chassis TA163100; Holstein Parts
• Fits 1991-1992 Jeep Comanche, N/A; Holstein Parts

Common Idle Problems It Can Address

• Unstable or fluctuating idle speed
• Engine stalling when coming to a stop
• High idle after startup
• Idle speed changes when accessories are switched on
• Poor idle control on fuel-injected Jeep and Land Rover models

Installation Notes and Tips

Verify the connector style, mounting location, and engine application before installation. Clean the throttle body and related air passages during service so the replacement idle air control valve can operate correctly. Confirm the vehicle-specific notes for Land Rover Discovery and Range Rover applications, including chassis and injection-system details.

Quality Assurance

Holstein Parts 2IAC0197 is cataloged for direct replacement use in the listed Jeep and Land Rover applications. This part cross-references Standard Ignition AC151 for the same application.