- BWD Mass Air Flow (MAF) Sensor measures the amount of air flow entering the manifold using a heated grid or wire
- Meets or exceeds OEM requirements
- A poor operating MAF sensorcan set off the check engine light
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![[4270-021] Polishing Wheel for WEN 4270](https://www.goodsolidhardwaredepot.com/wp-content/uploads/2026/10/4270-021-polishing-wheel-wen-4270.webp)
