HomeStandard Ignition AC331 Idle Air Control Valve
Part #: AC331

Standard Ignition AC331 Idle Air Control Valve

4 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Mazda, Protege
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Overview of Standard Ignition AC331 Idle Air Control Valve

The Standard Ignition AC331 Idle Air Control Valve is designed specifically for Mazda Protege models, ensuring precise idle speed regulation. This component features a female connector and blade-type male terminals, engineered for reliable electrical connections in the fuel injection system.

  • Connector Gender: Female
  • Connector Quantity: 1
  • Hose Connector Quantity: 2
  • Terminal Gender: Male
  • Terminal Quantity: 2
  • Terminal Type: Blade terminals

Technical Details and Attributes

The AC331 idle air control valve integrates seamlessly with the fuel injection system of Mazda Protege vehicles. It includes a single female connector and two hose connectors, facilitating proper airflow control during engine idle. The two male blade terminals provide secure electrical contact, supporting consistent valve operation. These attributes contribute to maintaining stable engine idle speeds and efficient fuel delivery.

Compatible Vehicles and Application

This idle air control valve is compatible with Mazda Protege models, making it a suitable replacement part for maintaining optimal engine performance. The part number AC331 ensures correct fitment and function within the fuel injection system, specifically addressing idle speed control issues.

  • Regulates engine idle speed for smooth operation
  • Prevents stalling during idle conditions
  • Helps maintain consistent airflow in the fuel injection system
  • Reduces rough idling and engine hesitation
  • Supports emission control by stabilizing idle

Installation Notes and Tips

When installing the Standard Ignition AC331 idle air control valve, ensure the female connector is properly aligned with the vehicle’s wiring harness. Verify that the two hose connectors are securely attached to prevent air leaks. Use appropriate tools to connect the blade terminals firmly, avoiding damage to the terminals or wiring. It is recommended to follow the Mazda Protege service manual for torque specifications and installation procedures.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. The AC331 idle air control valve undergoes rigorous quality control to ensure proper fit and function. Warranty coverage details should be confirmed with the product documentation or supplier.

BrandStandard Ignition
Part NumberAC331
Terminal TypeBlade Terminals

This part fits 4 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1996MazdaProtege1.5LL4N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1996MazdaProtege1.5LL4N/ACompatible with various car models.
1995MazdaProtege1.5LL4N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1995MazdaProtege1.5LL4N/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:

150-71612-29510229372H118973-4762AC455B59620660E9T06271

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