HomeAir and Fuel Delivery > Fuel Injection System and Related ComponentsStandard Ignition AC197 Idle Air Control Valve
Part #: AC197

Standard Ignition AC197 Idle Air Control Valve

41 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Toyota, Tacoma, Tundra, 4Runner, and T100
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Reliable Idle Air Control Valve for Toyota 4Runner, T100, Tacoma, and Tundra

The Standard Ignition AC197 Idle Air Control Valve is designed to maintain optimal engine idle speed for select Toyota models. This component ensures smooth engine performance by regulating airflow during idle conditions, helping your vehicle run efficiently and reliably.

  • Compatible with Toyota 4Runner, T100, Tacoma, and Tundra models
  • Part number AC197 for precise identification and fitment
  • Controls engine idle speed by regulating air intake
  • Direct replacement for factory idle air control valves
  • Durable construction for consistent performance

Product Details and Functionality

The Standard Ignition AC197 Idle Air Control Valve plays a critical role in managing the engine's idle speed by adjusting the amount of air bypassing the throttle plate. This regulation is essential for maintaining stable engine operation during idle, preventing stalling, and ensuring smooth acceleration from a stop. Designed specifically for Toyota 4Runner, T100, Tacoma, and Tundra vehicles, this valve meets OEM specifications for fit and function. The part number AC197 helps ensure you receive the correct component for your fuel injection system and related components.

Common Applications and Problem Resolution

  • Resolves rough or unstable engine idle issues
  • Prevents engine stalling during idle or low-speed operation
  • Corrects fluctuating or high idle speeds
  • Improves throttle response when accelerating from a stop
  • Addresses check engine light codes related to idle air control

Installation Notes and Tips

Installation of the AC197 Idle Air Control Valve should be performed with the engine off and cooled down. Ensure the electrical connector and mounting surfaces are clean before installation. It is recommended to check for vacuum leaks and clean the throttle body during replacement to optimize performance. Proper torque specifications should be followed to avoid damage to the valve or mounting points.

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. While specific warranty details for the AC197 may vary, Standard Ignition typically offers coverage against defects in materials and workmanship. Consult product documentation or your parts provider for exact warranty terms.

BrandStandard Ignition
Part NumberAC197
Connector ShapeOval
Gaskets IncludedYes
Hardware IncludedNo

This part fits 41 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2004ToyotaTacoma3.4LV6N/APrimary application for specific vehicle models ~ Idle Air Control Valve
2004ToyotaTacoma3.4LV6N/ACompatible with various car models.
2003ToyotaTacoma3.4LV6N/APrimary application for specific vehicle models ~ Idle Air Control Valve
2003ToyotaTacoma3.4LV6N/ACompatible with various car models.
2003ToyotaTundra3.4LV6N/APrimary application for specific vehicle models ~ Idle Air Control Valve
2003ToyotaTundra3.4LV6N/ACompatible with various car models.
2002Toyota4Runner3.4LV6N/APrimary application for specific vehicle models ~ Idle Air Control Valve
2002ToyotaTacoma3.4LV6N/APrimary application for specific vehicle models ~ Idle Air Control Valve
2002ToyotaTacoma3.4LV6N/ACompatible with various car models.
2002ToyotaTundra3.4LV6N/APrimary application for specific vehicle models ~ Idle Air Control Valve
2002ToyotaTundra3.4LV6N/ACompatible with various car models.
2001Toyota4Runner3.4LV6N/APrimary application for specific vehicle models ~ Idle Air Control Valve
2001Toyota4Runner3.4LV6N/ACompatible with various car models.
2001ToyotaTacoma3.4LV6N/APrimary application for specific vehicle models ~ Idle Air Control Valve
2001ToyotaTacoma3.4LV6N/ACompatible with various car models.
2001ToyotaTundra3.4LV6N/APrimary application for specific vehicle models ~ Idle Air Control Valve
2001ToyotaTundra3.4LV6N/ACompatible with various car models.
2000Toyota4Runner3.4LV6N/APrimary application for specific vehicle models ~ Idle Air Control Valve
2000Toyota4Runner3.4LV6N/ACompatible with various car models.
2000ToyotaTacoma3.4LV6N/APrimary application for specific vehicle models ~ Idle Air Control Valve
2000ToyotaTacoma3.4LV6N/ACompatible with various car models.
2000ToyotaTundra3.4LV6N/APrimary application for specific vehicle models ~ Idle Air Control Valve
2000ToyotaTundra3.4LV6N/ACompatible with various car models.
1999Toyota4Runner3.4LV6N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1999Toyota4Runner3.4LV6N/ACompatible with various car models.
1999ToyotaTacoma3.4LV6N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1999ToyotaTacoma3.4LV6N/ACompatible with various car models.
1998Toyota4Runner3.4LV6N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1998Toyota4Runner3.4LV6N/ACompatible with various car models.
1998ToyotaT1003.4LV6N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1998ToyotaT1003.4LV6N/ACompatible with various car models.
1998ToyotaTacoma3.4LV6N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1998ToyotaTacoma3.4LV6N/ACompatible with various car models.
1997Toyota4Runner3.4LV6N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1997Toyota4Runner3.4LV6N/ACompatible with various car models.
1997ToyotaT1003.4LV6N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1997ToyotaT1003.4LV6N/ACompatible with various car models.
1997ToyotaTacoma3.4LV6N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1997ToyotaTacoma3.4LV6N/ACompatible with various car models.
1996Toyota4Runner3.4LV6N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1996Toyota4Runner3.4LV6N/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:

1368000680150-7542-29555217-179422270620502H13743002973-4421AC4039

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