JavaScript seems to be disabled in your browser.

You must have JavaScript enabled in your browser to utilize the functionality of this website. Click here for instructions on enabling javascript in your browser.


The Inline Wideband UEGO gives all the benefits of the AEM Wideband Air/Fuel Gauges to those who do not require or want an additional gauge in the car. Perfect for datalogging, engine management systems or racing applications where a gauge is not desired. Simple wiring and installation, the controller is weather proof and can be mounted anywhere in or outside the vehicle.


The system features a Bosch sensor with an accuracy of .1 AFR, making it among the fastest and most accurate widebands available. Quick and easy installation and use for applications that do not require a display gauge.

Ideal AFR monitoring tool for EFI and carbureted applications, and engine dynamometers
Does not oscillate AFR reading like narrow band sensors
No laptop required for monitoring!
Bosch sensor included
Accurate to 0.1 AFR
0-5v analog output included for use with data loggers and virtually any engine management system
Detects AFR sensor problems and outputs error values which can be used to deactivate feedback
Reads Gasoline AFR values from 8.5 to 18:1 AFR
Reads E85 AFR from values 5.7 to 12:1 AFR
Reads Ethanol AFR values from 5.2 to 11:1 AFR
Reads Methanol AFR values from 3.7 to  7.8:1
Reads Lambda values from 0.58 to 1.22 AFR


Reviews Ask A Question About This Product