AutoInstruct » Manufacturer » Subaru » Impreza (1992 – 2000) » MY99-00 Impreza WRX MAF Sensor Replacement
Introduction
The MY99-00 Subaru Impreza WRX features a unique MAF (Mass Air Flow) sensor, specific to this model year. Unfortunately however this sensor is a common fault item, and often leads to poor engine performance, lean fuel mixtures, and a variety of other issues such as fluctuating idle control or limp mode activation.
We recommend replacing this part if you experience any of the above issues, or if the sensor is more than a few years old. Only purchase a genuine MAF sensor, and cleaning is not recommended.
Difficulty Rating
Moderate
Tools/Parts Required
- Genuine Subaru MAF Sensor P/N: 22794AA010
- Security Torx Driver
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