Standard Ignition AC528 Idle Air Control Valve

Idle Air Control Valve for Toyota Celica

Standard Ignition AC528 is an idle air control valve for select 2000-2005 Toyota Celica applications. It is built with 2 hose connectors, 3 blade terminals, and the correct OE-style layout for direct replacement service on the listed vehicles.

Key Features

• Idle air control valve for fuel injection system service
• 2 hose connectors for the specified intake and bypass routing
• 3 blade terminals for the listed electrical connection style
• Direct-fit replacement for select Toyota Celica models
• Cross-reference part numbers include 2-16813 and 2H1559

Detailed Description

Standard Ignition AC528 is a replacement idle air control valve used to regulate bypass air at idle on the specified Toyota Celica model years. This part number, AC528, is listed for 2000-2005 Toyota Celica and 2002-2005 Toyota Celica applications, making it a focused choice for owners searching for a Toyota Celica idle air control valve replacement or an AC528 idle air control valve for Toyota Celica service. The valve’s 2 hose connectors and 3 blade terminals match the connection style called out in the product data for straightforward parts matching.

This part cross-references 2-16813 and 2H1559 for the same application.

What It Helps Address

• Unstable or fluctuating idle speed
• Engine stalling when coming to a stop
• Idle speed that is too high or too low
• Idle control issues after throttle body or intake service
• Driveability complaints related to bypass air regulation

Installation Notes and Tips

Verify connector style, hose routing, and terminal count before installation. Confirm fitment against the vehicle’s year and model, especially when sourcing a 2000-2005 Toyota Celica idle air control valve replacement. Inspect the intake tract, vacuum hoses, and throttle body passages during service so the new valve can operate against a clean air path.

Quality Assurance

Standard Ignition supplies replacement ignition and engine management components for service applications, and AC528 is cataloged with OE-style fitment data for the listed Toyota Celica vehicles.