Vacuum Sensor

About this product

The Vacuum Sensor (#89421-WB001), a critical component in the Manifold system of Toyota vehicles, plays a pivotal role in the Engine-Fuel process. It monitors the engine's vacuum pressure, ensuring optimal combustion, fuel efficiency, and vehicle performance. The sensor uses an internal diaphragm and reference vacuum to measure pressure differences. Over time, these components can degrade, become obstructed, or fail, which can result in inaccurate readings, poor vehicle performance, or increased emissions. Therefore, regular replacement of the Vacuum Sensor (#89421-WB001) is advisable. Using genuine Toyota Autoparts ensures compatibility with your vehicle and comes with the assurance of Toyota's genuine parts warranty. By maintaining the correct balance of air and fuel in the engine, the Vacuum Sensor (#89421-WB001) contributes significantly to the engine's efficiency, performance, and overall environmental sustainability.