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Standard Ignition AC589 Idle Air Control Valve
| Brand | Standard Ignition AC589 |
|---|---|
| Air Control Valve Type | Auotmatic |
| Gaskets Included | No |
| Hardware Included | No |
| Mounting Hole Quantity | 2 |
| Port Quantity | 1 |
| Terminal Quantity | 4 |
| Fits | Isuzu · 20 vehicles |
Idle air control valve. Regulates airflow to help maintain smooth idle operation.
Automatic type. Provides consistent air control for dependable engine idle management.
4-terminal, 1-port design with a 2-hole mount for straightforward replacement.
Cross-references NTK 25018, Standard Ignition AC589 and 2-31158 for the same application. See all 8.
Idle Air Control Valve for Isuzu Applications
Standard Ignition AC589 is an idle air control valve for fuel injection systems that need stable airflow at idle. It is listed for select 1998-2003 Isuzu Rodeo, 2001-2003 Isuzu Rodeo Sport, and 1998-2000 Isuzu Amigo applications, making it a direct-fit service part for common idle-speed complaints on these vehicles.
Key Features
- Automatic air control valve type for idle airflow regulation
- 4-terminal electrical connection
- 1-port design for the specified fuel injection system layout
- 2 mounting holes for secure installation
- No gasket included
- No hardware included
Detailed Product Overview
Standard Ignition AC589 is an idle air control valve used in the air and fuel delivery system to manage bypass air at idle. On the Isuzu Rodeo, Rodeo Sport, and Amigo, this component helps the engine maintain a steady idle when the throttle is closed and the vehicle is at rest. The AC589 part number is also useful when searching for an OE-style replacement by application.
This part cross-references NTK 25018 for the same application. It also cross-references Standard Ignition AC4051 for related fitment coverage.
Common Issues This Part May Address
- Unstable or fluctuating idle speed
- Engine stalling when coming to a stop
- Idle speed that is too high or too low
- Rough idle after warm-up
- Throttle response concerns related to idle air control
Installation Notes and Tips
Verify connector style, terminal count, mounting hole layout, and port configuration before installation. Because no gasket or hardware is included, inspect the sealing surface and reuse only serviceable mounting components as needed. After installing AC589, clear any stored fault codes and confirm idle quality on the affected Isuzu Rodeo, Rodeo Sport, or Amigo application.
Quality Assurance
Standard Ignition is a recognized aftermarket brand for engine management and electrical service parts. AC589 is built to match the listed application requirements for the specified Isuzu models and years.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2003 | Isuzu | Rodeo | 2.2L | L4 | N/A | Primary application for specific vehicle models ~ Idle Air Control Valve |
| 2003 | Isuzu | Rodeo | 2.2L | L4 | N/A | Compatible with various car models. |
| 2003 | Isuzu | Rodeo Sport | 2.2L | L4 | N/A | Primary application for specific vehicle models ~ Idle Air Control Valve |
| 2003 | Isuzu | Rodeo Sport | 2.2L | L4 | N/A | Compatible with various car models. |
| 2002 | Isuzu | Rodeo | 2.2L | L4 | N/A | Primary application for specific vehicle models ~ Idle Air Control Valve |
| 2002 | Isuzu | Rodeo | 2.2L | L4 | N/A | Compatible with various car models. |
| 2002 | Isuzu | Rodeo Sport | 2.2L | L4 | N/A | Primary application for specific vehicle models ~ Idle Air Control Valve |
| 2002 | Isuzu | Rodeo Sport | 2.2L | L4 | N/A | Compatible with various car models. |
| 2001 | Isuzu | Rodeo | 2.2L | L4 | N/A | Primary application for specific vehicle models ~ Idle Air Control Valve |
| 2001 | Isuzu | Rodeo | 2.2L | L4 | N/A | Compatible with various car models. |
| 2001 | Isuzu | Rodeo Sport | 2.2L | L4 | N/A | Primary application for specific vehicle models ~ Idle Air Control Valve |
| 2001 | Isuzu | Rodeo Sport | 2.2L | L4 | N/A | Compatible with various car models. |
| 2000 | Isuzu | Amigo | 2.2L | L4 | N/A | Primary application for specific vehicle models ~ Idle Air Control Valve |
| 2000 | Isuzu | Amigo | 2.2L | L4 | N/A | Compatible with various car models. |
| 2000 | Isuzu | Rodeo | 2.2L | L4 | N/A | Primary application for specific vehicle models ~ Idle Air Control Valve |
| 2000 | Isuzu | Rodeo | 2.2L | L4 | N/A | Compatible with various car models. |
| 1999 | Isuzu | Amigo | 2.2L | L4 | N/A | Primary application for specific vehicle models ~ Idle Air Control Valve |
| 1999 | Isuzu | Rodeo | 2.2L | L4 | N/A | Primary application for specific vehicle models ~ Idle Air Control Valve |
| 1998 | Isuzu | Amigo | 2.2L | L4 | N/A | Primary application for specific vehicle models ~ Idle Air Control Valve |
| 1998 | Isuzu | Rodeo | 2.2L | L4 | N/A | Primary application for specific vehicle models ~ Idle Air Control Valve |
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