Toyota Engine Control Unit (ECU) for 4A-FE Engine
The Toyota Engine Control Unit (ECU) with part numbers 89661-12491 and 175700-2920 is a vital component designed for the 4A-FE engine, commonly found in 1991 and 1992 Toyota Corolla models. This ECU plays a crucial role in managing engine performance by regulating fuel injection, ignition timing, and other essential parameters to ensure optimal efficiency and reliability.
Key Features
- OEM Compatibility: Specifically engineered for seamless integration with 1991 and 1992 Toyota Corolla vehicles equipped with the 4A-FE engine.
- Plug & Play Installation: This refurbished ECU is designed for straightforward installation without the need for additional programming, allowing for immediate vehicle operation upon installation.
- Quality Assurance: Each unit undergoes rigorous testing and refurbishment processes to meet OEM standards, ensuring dependable performance.
- Warranty Coverage: Comes with a hassle-free 2-year warranty, providing peace of mind and assurance of quality.
Common Symptoms of a Faulty ECU
Recognizing the signs of a malfunctioning ECU can prevent further engine issues. Common indicators include:
- Rough idling or engine misfires
- Reduced acceleration or power loss
- Difficulty starting the engine
- Unresponsive or malfunctioning air conditioning system
- Persistent fault codes that cannot be cleared
- Transmission shifting irregularities
Installation and Compatibility
Before purchasing, it’s essential to verify that the ECU’s part numbers (89661-12491 / 175700-2920) match your vehicle’s original unit to ensure compatibility. This ECU is intended for models with the 4A-FE engine and is compatible with both manual and automatic transmissions. Installation is straightforward, and no core return is required, simplifying the replacement process.
By choosing this genuine Toyota ECU, you ensure that your vehicle maintains its original performance standards, contributing to a smoother and more reliable driving experience.
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