12V Wideband Air Fuel Ratio Gauge Afr Gauge Wideband Kit LED Digital Display With Wideband Sensor

Installation precautions

1.This product is suitable for 12V power supply, and it is strictly prohibited to use power supply exceeding 18V.

If the use of a power supply exceeding the voltage of this product causes it to burn out, it will not be within the scope of warranty and free return and exchange.

2.The red wire is connected to+12V, and the black wire is connected to the negative electrode.

3. Other connections should be connected using plug and play connectors, and it is strictly prohibited to damage or replace other connectors for use.

NOTE：

1,If your car's power has been modified and upgraded, this sensor must be disassembled and cleaned after 1-2 months of use, otherwise the reading may malfunction;

2,If your car is an old car with oil burning, you need to clean the sensors within 30-45 days, otherwise the sensors will also be inaccurate.

The above two points are due to the increase in vehicle emissions, especially the increase in oil stains, which leads to abnormal heating of the sensor itself.