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The AEM X-Series Wideband UEGO AFR Sensor Controller Gauge (30-0300) is designed for automotive enthusiasts and tuners seeking the fastest and most accurate air/fuel ratio (AFR) readings. Its key benefit is the industry-leading response time, ensuring precise data for engine tuning and performance monitoring. A potential caveat is its advanced nature, requiring some technical understanding for optimal configuration. This gauge measures 52mm in diameter and features a slim profile, making it adaptable to various mounting locations. Key features include a configurable display, multiple output options for data logging, and support for a wide range of fuels and engine types.
| Model Part Number | 30-0300 |
|---|---|
| Brand | AEM |
The primary advantage is its industry-leading fast response time, providing the most accurate and up-to-date air/fuel ratio data.
Yes, the gauge supports a wide range of fuels including petrol, methanol, ethanol, diesel, propane, and LPG.
You can change the display settings via the buttons on the face of the gauge. Refer to the user manual for specific button sequences.
AEMnet output is used for data logging and allows for daisy-chaining multiple X Series wideband controllers or gauges to record air/fuel ratios from multiple cylinders or sources.
No, the AEM X-Series Wideband UEGO AFR Sensor Controller Gauge includes an integrated controller and O2 sensor.
The gauge is 52mm in diameter with a slim depth of less than one inch.
Yes, the gauge is compatible with both electronic fuel injection (EFI) and carbureted applications.
Check all wiring connections, ensure the power source is providing adequate voltage (up to 16V), and verify the ground connection is secure.
Perform a free-air calibration. Ensure the O2 sensor is properly installed and has not been contaminated. Verify the correct fuel type is selected in the gauge settings.
Verify the correct output (0-5v, RS232, or AEMnet) is selected and connected to the logging device. Ensure the logging device is configured to receive the correct signal type.
Adjust the auto-dimming sensitivity or manually set the brightness if possible through the gauge's configuration menu. Ensure the gauge is not mounted in a position causing excessive glare.
Setup: Installation involves connecting the included O2 sensor and wiring harness to the gauge. Configuration is done via buttons on the gauge face, allowing users to select display units (AFR, Lambda, O2%), display digits, and perform a free-air calibration. For data logging, connect the appropriate output (0-5v, RS232, or AEMnet) to your logging device.
Compatibility: This gauge supports vehicle system voltages up to 16V and is compatible with gasoline, methanol, ethanol, diesel, propane, and LPG fuels. It can be used on electronic fuel injection (EFI) or carbureted applications, as well as on dynamometers.
Care: Keep the O2 sensor clean and free from contaminants. The gauge itself can be cleaned with a soft, damp cloth. Avoid using harsh chemicals. Ensure all connections are secure to prevent intermittent readings.
