HomeAir and Fuel Delivery > Fuel Injection System and Related ComponentsStandard Ignition AC205 Idle Air Control Valve
Part #: AC205

Standard Ignition AC205 Idle Air Control Valve

24 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Geo, Toyota, and Asuna, Prizm, Celica, Corolla, and Sunfire
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Overview of Standard Ignition AC205 Idle Air Control Valve

The Standard Ignition AC205 Idle Air Control Valve is designed for precise idle speed regulation in select Geo and Toyota vehicles. This automatic air control valve ensures smooth engine performance and reliable idle control for models like the Toyota Corolla, Celica, and Geo Prizm.

  • Automatic air control valve type for consistent idle management
  • Female rectangular and oval connector with one connector quantity
  • Includes gaskets for proper sealing
  • Three hose connectors and four mounting holes for secure installation
  • Equipped with three male blade terminals for reliable electrical connection

Detailed Product Description

The AC205 Idle Air Control Valve from Standard Ignition is engineered to maintain optimal idle speed by regulating airflow in the fuel injection system. Featuring an automatic air control valve type, it adapts to engine demands without manual adjustment. The valve includes a female connector with a unique rectangular and oval shape, designed for a single connection point, ensuring compatibility with the vehicle’s wiring harness. This part comes with gaskets to prevent air leaks, although hardware is not included. The valve’s three hose connectors and four mounting holes provide a secure fitment, while the three male blade terminals guarantee a stable electrical interface. This component is specifically compatible with Geo Prizm and Toyota Corolla and Celica models, making it a targeted replacement part for these vehicles.

Common Applications and Issues Addressed

  • Irregular or fluctuating idle speed in Geo Prizm, Toyota Corolla, and Celica
  • Engine stalling or rough idling during warm-up or at stoplights
  • Check engine light triggered by idle air control valve malfunction
  • Difficulty maintaining consistent engine RPM at idle
  • Reduced fuel efficiency due to improper air-fuel mixture at idle

Installation Notes and Tips

  • Ensure the engine is cool before beginning installation to avoid injury
  • Use the included gaskets to prevent air leaks and ensure proper sealing
  • Verify connector orientation matches the female rectangular and oval shape for proper fit
  • Secure the valve using all four mounting holes to prevent vibration-related issues
  • Check electrical connections on the three male blade terminals for corrosion or damage before installation

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. The AC205 Idle Air Control Valve undergoes rigorous quality control to ensure proper function and fitment. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in materials and workmanship.

BrandStandard Ignition
Part NumberAC205
Connector ShapeRectangular, Oval
Gaskets IncludedYes
Hardware IncludedNo
Terminal TypeBlade Terminals

This part fits 24 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1995GeoPrizm1.6LL4N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1995GeoPrizm1.6LL4N/ACompatible with various car models.
1995GeoPrizm1.8LL4N/ACompatible with various car models.
1995ToyotaCelica1.8LL4N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1995ToyotaCelica1.8LL4N/ACompatible with various car models.
1995ToyotaCorollaN/APrimary application for specific vehicle models ~ Idle Air Control Valve
1995ToyotaCorolla1.6LL4N/ACompatible with various car models.
1995ToyotaCorolla1.8LL4N/ACompatible with various car models.
1994GeoPrizm1.8LL4N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1994GeoPrizm1.6LL4N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1994GeoPrizm1.6LL4N/ACompatible with various car models.
1994GeoPrizm1.8LL4N/ACompatible with various car models.
1994ToyotaCelica1.8LL4N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1994ToyotaCelica1.8LL4N/ACompatible with various car models.
1994ToyotaCorollaN/APrimary application for specific vehicle models ~ Idle Air Control Valve
1994ToyotaCorolla1.6LL4N/ACompatible with various car models.
1994ToyotaCorolla1.8LL4N/ACompatible with various car models.
1993GeoPrizm1.8LL4N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1993GeoPrizm1.6LL4N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1993GeoPrizm1.6LL4N/ACompatible with various car models.
1993GeoPrizm1.8LL4N/ACompatible with various car models.
1993ToyotaCorollaN/APrimary application for specific vehicle models ~ Idle Air Control Valve
1993ToyotaCorolla1.6LL4N/ACompatible with various car models.
1993ToyotaCorolla1.8LL4N/ACompatible with various car models.

* 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:

1368000180150-7622-19370215-2094217-16592227015010299012H110073-440594853699AC4024

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