HomeAir and Fuel Delivery > Fuel Injection System and Related ComponentsHolstein 2IAC0031 Idle Air Control Valve
Part #: 2IAC0031

Holstein 2IAC0031 Idle Air Control Valve

Holstein Parts, N/A
13 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Holstein Parts, N/A
Fitment: Geo and Toyota, Prizm, Celica, and Corolla
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Overview of Holstein Idle Air Control Valve 2IAC0031

The Holstein Parts Idle Air Control Valve 2IAC0031 is designed for precise idle speed regulation in select Geo and Toyota vehicles. This component ensures stable engine performance by controlling airflow during idle conditions, compatible with models such as the Geo Prizm, Toyota Corolla, and Toyota Celica.

  • Terminal Type: Blade terminals for reliable electrical connection
  • Connector Quantity: Single oval-shaped female connector
  • Terminal Quantity: Three male terminals for secure fitment
  • Port Quantity: Three ports with 0.32-inch outside diameter
  • Mounting Hardware and Gasket: Not included, allowing for flexible installation options

Holstein Parts Product Line Details

Holstein Parts offers a range of fuel injection system components engineered for durability and compatibility. The Holstein Parts line focuses on delivering precise fit and function, making the 2IAC0031 Idle Air Control Valve a reliable choice for maintaining proper air and fuel delivery in your Geo Prizm, Toyota Corolla, or Toyota Celica.

Technical Description and Features

This idle air control valve features a blade terminal type with three male terminals, ensuring a stable electrical connection. The single oval-shaped female connector simplifies wiring integration. With three ports measuring 0.32 inches in outside diameter, the valve effectively manages airflow to maintain consistent engine idle speed. Note that mounting hardware and gaskets are not included, so these should be sourced separately during installation.

Common Applications and Problem Resolution

  • Helps resolve irregular or fluctuating idle speeds in Geo Prizm, Toyota Corolla, and Toyota Celica models
  • Addresses engine stalling issues related to idle air control
  • Improves throttle response during idle conditions
  • Supports smooth engine start-up and warm-up phases
  • Reduces rough idling caused by faulty air control valves

Installation Notes and Tips

Ensure the vehicle is turned off and cooled before beginning installation. Since mounting hardware and gaskets are not included, prepare compatible parts beforehand. Carefully disconnect the existing valve’s electrical connector, noting the blade terminal configuration and oval connector shape for proper alignment. Verify that the three ports align correctly with the intake manifold. After installation, test idle performance to confirm proper operation.

Quality Assurance and Warranty

Holstein Parts maintains strict quality control standards for the 2IAC0031 Idle Air Control Valve to meet OEM specifications. While specific warranty details are not provided, Holstein Parts products are generally backed by manufacturer warranties covering defects in materials and workmanship. Consult product documentation or authorized sources for exact warranty terms.

BrandHolstein
Part Number2IAC0031
PositionHolstein Parts, N/A
Connector GenderFemale
Connector Quantity1
Connector ShapeOval
Gasket Or Seal IncludedNo
Mounting Hardware IncludedNo
Port Outside Diameter0.32
Port Quantity3
Terminal GenderMale
Terminal Quantity3
Terminal TypeBlade

This part fits 13 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1997GeoPrizm1.8LL4N/AHolstein Parts
1997GeoPrizm1.6LL4N/AHolstein Parts
1997ToyotaCelica1.8LL4N/AHolstein Parts
1997ToyotaCorolla1.6LL4N/AHolstein Parts
1997ToyotaCorolla1.8LL4N/AHolstein Parts
1996GeoPrizm1.8LL4N/AHolstein Parts
1996GeoPrizm1.6LL4N/AHolstein Parts
1996ToyotaCelica1.8LL4N/AHolstein Parts
1996ToyotaCorolla1.6LL4N/AHolstein Parts
1996ToyotaCorolla1.8LL4N/AHolstein Parts
1995ToyotaCelica1.8LL4N/AFrom 08/1995; Holstein Parts
1995ToyotaCorolla1.8LL4N/AFrom 08/1995; Holstein Parts
1995ToyotaCorolla1.6LL4N/AFrom 08/1995; Holstein Parts

* 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:

217127922270 1606022270-1606022270160602H110130024AC223AC4023

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