HomeAir and Fuel Delivery > Fuel Injection System and Related ComponentsStandard Ignition AC2 Idle Air Control Valve
Part #: AC2

Standard Ignition AC2 Idle Air Control Valve

40 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet and Pontiac, Caprice, Corvette, El Camino, Impala, Monte Carlo, Camaro, Malibu, Bonneville, Firebird, Grand LeMans, Grand Prix, and Parisienne
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Reliable Idle Air Control Valve for Chevrolet and Pontiac Vehicles

The Standard Ignition AC2 Idle Air Control Valve is designed to maintain optimal engine idle speed in select Chevrolet and Pontiac models. Featuring a square connector shape and four terminals, this valve ensures precise airflow control for smooth engine performance.

  • Connector Shape: Square for secure electrical connection
  • Includes Gaskets for proper sealing and installation
  • Terminal Quantity: 4 terminals for reliable electrical interface
  • Compatible with multiple Chevrolet and Pontiac models

Product Details and Specifications

The Standard Ignition AC2 Idle Air Control Valve is engineered to regulate the amount of air bypassing the throttle plate, which is critical for maintaining stable idle speeds. This part includes gaskets to ensure a tight seal and prevent air leaks. The four-terminal design supports accurate electrical control signals, contributing to consistent engine idling. The square connector shape facilitates a secure and straightforward connection to the vehicle’s wiring harness.

Compatible Chevrolet and Pontiac Models

This idle air control valve is compatible with a range of Chevrolet and Pontiac vehicles, including the Chevrolet Camaro, Caprice, Corvette, El Camino, Impala, Malibu, Monte Carlo, and the Pontiac Bonneville, Firebird, Grand LeMans, Grand Prix, and Parisienne. The part number AC2 is specifically designed to meet the requirements of these models, ensuring proper fit and function.

Common Issues Addressed by the AC2 Idle Air Control Valve

  • Irregular or fluctuating engine idle speed
  • Engine stalling during idle or low-speed operation
  • Difficulty starting the engine in cold conditions
  • Check engine light triggered by idle control faults
  • Rough or unstable engine idle performance

Installation Notes and Tips

When installing the Standard Ignition AC2 Idle Air Control Valve, ensure the engine is cool to avoid injury. Use the included gaskets to prevent air leaks and verify the square connector is properly seated with all four terminals engaged. It is recommended to clean the throttle body and surrounding area before installation to maintain optimal airflow. Follow vehicle-specific service manual instructions for torque specifications and electrical connections.

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM specifications. The AC2 Idle Air Control Valve undergoes rigorous quality control to ensure durability and reliable performance. This part includes gaskets for proper sealing and is backed by Standard Ignition’s limited warranty, providing coverage against defects in materials and workmanship under normal use.

BrandStandard Ignition
Part NumberAC2
Connector ShapeSquare
Gaskets IncludedYes

This part fits 40 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1984ChevroletCaprice5.7LV8N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1984ChevroletCorvette5.7LV8N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1984ChevroletCorvette5.7LV8N/ACompatible with various car models.
1984ChevroletEl Camino5.7LV8N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1984ChevroletImpala5.7LV8N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1984ChevroletMonte Carlo5.7LV8N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1983ChevroletCamaro5.0LV8N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1983ChevroletCamaro5.0LV8N/ACompatible with various car models.
1983ChevroletCaprice5.0LV8N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1983ChevroletCaprice5.7LV8N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1983ChevroletEl Camino5.0LV8N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1983ChevroletImpala5.0LV8N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1983ChevroletImpala5.7LV8N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1983ChevroletMalibu5.0LV8N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1983ChevroletMalibu5.7LV8N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1983ChevroletMonte Carlo5.0LV8N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1983ChevroletMonte Carlo5.7LV8N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1983PontiacBonneville5.0LV8N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1983PontiacFirebird5.0LV8N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1983PontiacFirebird5.0LV8N/ACompatible with various car models.
1983PontiacGrand LeMans5.0LV8N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1983PontiacGrand Prix5.0LV8N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1983PontiacParisienne5.0LV8N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1982ChevroletCamaro5.0LV8N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1982ChevroletCamaro5.0LV8N/ACompatible with various car models.
1982ChevroletCaprice5.7LV8N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1982ChevroletCaprice5.0LV8N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1982ChevroletCorvette5.7LV8N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1982ChevroletCorvette5.7LV8N/ACompatible with various car models.
1982ChevroletEl Camino5.0LV8N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1982ChevroletImpala5.7LV8N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1982ChevroletImpala5.0LV8N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1982ChevroletMalibu5.0LV8N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1982ChevroletMalibu5.7LV8N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1982ChevroletMonte Carlo5.7LV8N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1982ChevroletMonte Carlo5.0LV8N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1982PontiacFirebird5.0LV8N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1982PontiacFirebird5.0LV8N/ACompatible with various car models.
1982PontiacGrand LeMans5.0LV8N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1982PontiacParisienne5.0LV8N/APrimary application for specific vehicle models ~ Idle Air Control Valve

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

150-102170788322-1741215-1002217412H105473-43018436AC101CV10032

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.