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MAF sensors, or Mass Air Flow sensors, are critical components in automotive engines that measure the amount of air entering the engine. They are typically made from materials such as plastic and metal and utilize various technologies, including hot wire or hot film sensing methods, to provide accurate readings. By measuring air flow, these sensors help optimize fuel injection and improve engine performance and efficiency.
| Material | Plastic housing with metal components |
| Measurement range | 0 to 1000 grams/second |
| Operating temperature | -40°C to 125°C |
| Output signal | Voltage or frequency signal |
| Compatibility | Compatible with various engine management systems |
When selecting a MAF sensor, consider the specific vehicle make and model to ensure compatibility. It's important to specify the type of sensor technology required, such as hot wire or hot film, as well as any necessary certifications for emissions compliance. Buyers should also determine the quantity needed based on their inventory or repair requirements.
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It measures the amount of air entering the engine to optimize fuel injection.
Common signs include poor engine performance, increased fuel consumption, and check engine light activation.
Yes, but it should be done with specialized cleaner to avoid damage.
The main types are hot wire and hot film sensors.
Some sensors may require calibration after installation, depending on the vehicle.
They can last anywhere from 50,000 to 100,000 miles, depending on driving conditions.