AEM Electronics Digital Wideband UEGO AFR Controller Gauge - Silver, Silver

Name: AEM Electronics Digital Wideband UEGO AFR Controller Gauge - Silver, Silver
Brand: AEM Electronics
SKU: ukk5wlaoqd
Availability: InStock

The AEM Electronics Digital Wideband UEGO AFR Controller Gauge - Without Sensor is a powerful, cos...

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Product Information

Full details

This AEM Electronics Digital Wideband UEGO AFR Controller Gauge is for engine tuners and performance enthusiasts seeking precise air/fuel ratio (AFR) monitoring. Its key benefit is providing accurate, real-time AFR data to optimize engine performance and prevent damage. A caveat is that this model does not include a wideband sensor, requiring a separate purchase of an approved Bosch LSU4.9 sensor. The product functions as an all-in-one AFR controller and gauge, featuring a digital LED display and a sweeping LED needle that indicates AFR changes, with an easy-to-read 52mm housing and 0-5v analogue output for data logging.

All features

Model Part Number	30-4110NS
Brand	AEM Electronics

Extended Product Information

FAQs

Does this product include the wideband oxygen sensor?

No, this is the AEM Electronics Digital Wideband UEGO AFR Controller Gauge without a sensor. You will need to purchase a compatible Bosch LSU4.9 sensor separately. Refer to the product information for a list of approved sensors.

What is the warranty period for this gauge?

The warranty information is typically detailed in the product manual. Using non-approved sensors will void the warranty.

Can I use a sensor from another brand?

AEM strongly recommends using only the approved Bosch LSU4.9 sensors listed for this controller. Using non-approved sensors may affect performance and will void the product's warranty.

What is the diameter of the gauge housing?

The gauge housing is 52mm (2-1/16 inches) in diameter, which is a standard size for most gauge pods.

What fuel types can be monitored?

The gauge can monitor Gasoline, E85, Ethanol, Methanol, and Lambda. The display and output ranges vary by fuel type.

How do I change the faceplates and bezels?

The gauge includes interchangeable black and silver bezels and black and white faceplates (AFR and Lambda) allowing you to customize the appearance. Refer to the manual for instructions on how to safely swap these components.

What is the purpose of the 0-5v analogue output?

The 0-5v analogue output allows you to connect the gauge to a data logger or an engine management system (like an ECU) to record AFR data alongside other engine parameters for analysis and tuning.

Troubleshooting

Gauge displays erratic or incorrect readings

Ensure an approved Bosch LSU4.9 sensor is used and properly connected. Verify the sensor is not contaminated or damaged. Check all wiring connections for looseness or corrosion. Ensure the correct AFR range is selected for the fuel type being used.

Gauge does not power on

Check the power and ground connections to the gauge. Verify the fuse in the power circuit is intact. Ensure the vehicle's power source is functioning correctly.

0-5v output is not functioning

Confirm that the gauge is set to the correct AFR range (10-20:1 for gasoline) that supports the 0-5v output. Check the wiring for the analogue output signal.

Sensor calibration warning or error

This gauge with approved sensors does not require free air calibration. If an error persists, it may indicate a faulty sensor or wiring issue. Consult the manual or AEM support.

Pros and Cons

Pros

Provides crucial real-time AFR data for engine tuning and optimization.
Helps prevent engine damage from running too rich or too lean.
Clear digital and LED sweep display for easy monitoring.
Standard 52mm size fits most existing gauge pods.
Offers analogue and serial outputs for data logging integration.
Customizable appearance with included bezels and faceplates.

Cons

Does not include a wideband sensor, requiring a separate purchase.
Warranty voided if non-approved sensors are used.
Only the 10-20 AFR range is available for the 0-5v output.
Requires knowledge of engine tuning to effectively utilize the data.

Setup, Compatibility & Care

Setup: This unit requires the separate purchase and installation of an approved Bosch LSU4.9 wideband oxygen sensor. A weld-in bung is included for exhaust mounting of the sensor. Wiring involves connecting power, ground, and the sensor's signal wire, as well as the output signals for data logging if desired. Refer to the product manual for detailed wiring diagrams.

Compatibility: The gauge housing is 52mm (2-1/16"), fitting standard gauge pods. The 0-5v analogue output is compatible with most data logging systems and engine management systems, supporting gasoline (10-20:1 AFR), E85 (6.6-13.2:1), Ethanol (6.14-12.3:1), Methanol (4.4-8.8:1), and Lambda (.68-1.36) ranges depending on the output configuration. The RS232 serial output offers another integration option.

Care: Keep the gauge clean by wiping with a soft, dry or slightly damp cloth. Avoid using abrasive cleaners or solvents. Ensure the wideband sensor and its connection are free from excessive dirt, oil, and exhaust soot for optimal performance. Periodically inspect wiring for any signs of damage.