Standard Ignition AC50 Idle Air Control Valve

Idle Air Control Valve for 1994 GM Compact Cars

Standard Ignition AC50 is an idle air control valve for select 1994 Buick Skylark, Oldsmobile Achieva, and Pontiac Grand Am applications. It is built to regulate bypass airflow at idle so the engine can maintain a steady idle speed under changing load conditions.

Key Features

• Oval connector shape with 4 terminals for the specified application
• 1-port design for idle air control service
• Gaskets included for installation on the matching throttle body setup
• Polymer-blended, isotropic neodymium/iron/boron magnet for precise pintle movement
• High-strength stepping motor for controlled airflow response
• Shielded ball bearing helps resist environmental contamination
• Load-tested actuator for added durability and consistent operation

Detailed Description

Standard Ignition AC50 is engineered for accurate idle airflow control in 1994 Buick Skylark, 1994 Oldsmobile Achieva, and 1994 Pontiac Grand Am models. The internal motor and magnet design support precise pintle positioning, while the sealed bearing construction helps extend service life in demanding underhood conditions. This part cross-references Gates 21820 for the same application.

For drivers searching for a 1994 Buick Skylark idle air control valve, a 1994 Oldsmobile Achieva idle air control valve, or a 1994 Pontiac Grand Am idle air control valve, AC50 provides a direct-fit service part for the listed vehicles. The Standard Ignition AC50 part number is also commonly referenced in fuel injection system repair searches.

What It Helps Fix

• Unstable or fluctuating idle speed
• Stalling when coming to a stop
• High idle after startup
• Idle speed changes when accessories are turned on
• Airflow control issues related to a worn IAC valve

Installation Notes and Tips

Verify connector shape, terminal count, and port configuration before installation. Clean the throttle body and mating surfaces, and install the included gasket to help maintain a proper seal. Confirm the vehicle application by year, make, and model before replacing the original idle air control valve. Standard Ignition AC50 is listed for 1994 Buick Skylark, 1994 Oldsmobile Achieva, and 1994 Pontiac Grand Am applications only.

Quality Assurance

Standard Ignition manufactures this idle air control valve with high-grade materials and load-tested components to support consistent performance and extended service life.