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Rolling road tuning: Standalone ECU & Renault RS mapping

AEM Wideband UEGO X-series gauge (30-0300)

£166.99 inc VAT

Back in stock & Special offer

AEM’s X-series Wideband UEGO 52mm gauge, complete with Bosch wideband probe and weld-in boss. The gauge comes with inter-changeable black & white facias and black & silver bezels.

More than 5 in stock



Special offer!

AEM’s best selling wideband UEGO controller accurately monitors Air/Fuel ratios (AFR) during the tuning process to prevent a lean fuel mixture, which could lead to engine damage. AEM has combined its single-channel wideband UEGO controller and gauge display into one unit, uniting AFR accuracy and control with an easy-to-read interface. AEM’s Gauge-Type Wideband UEGO Controller features a digital LED display and sweeping LED “needle” that changes colors as AFR changes from rich to lean. The unit’s 52mm (2-1/16″) gauge fits in most gauge pods and can be remotely mounted nearly anywhere.

  • Comes with inter-changeable facias as shown below
  • Ideal AFR monitoring tool for EFI and carbureted applications
  • Does not oscillate AFR reading like narrow band sensors
  • No laptop required for monitoring
  • Bosch sensor included
  • Accurate to 0.01 AFR
  • Reads in AFR or Lambda via a switch in back of gauge housing
  • 24 Color-coded LED display lights provide immediate reference to engine’s air/fuel ratio (AFR) or Lambda ratio
  • Integrated three-digit display reveals AFR or Lambda in real time
  • User-programmable 0-5v analog output included for use with data loggers and virtually any engine management system
  • Serial data stream included for output of AFR (RS 232)
  • Weld-in exhaust boss included


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