Air Fuel Ratio Gauge Install Subaru

Air Fuel Ratio Gauge Install Subaru

AEM’s X-Series Wideband UEGO Air/Fuel Ratio Sensor Controller Gauges are constructed upon unique, patent-pending X-Digital know-how that makes them the quickest responding wideband air/gasoline ratio controllers in impartial testing against 17 other wideband UEGO air/gasoline controllers*.

The X-Series Wideband UEGO AFR Sensor Controller Gauge (PN 30-0300) measures 2 1/sixteenth-inch (52mm) in diameter, and incorporates a fashionable, visually placing faceplate and new seven-segment heart show that's 87% larger than the 30-4110 AEM Wideband Gauge’s heart display. This creates the notion of a bigger overall gauge, but in a common 52mm measurement for straightforward mounting. Its slim depth (lower than one inch overall) and extremely slim cup depth of .200-inches dramatically will increase its utility base and potential mounting locations.

The X-Series Wideband UEGO AFR Gauge has a consumer configurable show through buttons on the gauge face that will let you change AFR values for various fuels, Lambda or O2%, change the center show to 3 or 4 digits, perform a free-air calibration if desired as the sensor ages, and change the CAN message ID when linking multiple X-Series Inline Controllers or X-Series Controller Gauges. A black bezel and black dual-confronted faceplate for air/gasoline and Lambda are included, and an non-obligatory silver bezel with white dual-confronted Air Fuel Ratio Gauge Install Subaru and Lambda faceplate is available (PN 30-0300-ACC, offered separately). An Auto Dimming function is included. Locking connectors guarantee a optimistic connection between the harnesses and gauge and a new single board design provides to the brand new gauge’s durability.

The gauge includes a 0-5v and RS232 Serial Port output for suggestions management and information logging, and an AEMnet (CANbus) output for information logging. AEMnet permits additional X-Series Wideband Controllers to be daisy chained together (as much as 16 cylinders) for recording AFR in multiple cylinders. It helps vehicle/system voltages as much as 16V, and can be utilized on EFI or carbureted applications, and dynamometers in applications utilizing gasoline, methanol, ethanol, Diesel, propane and CNG.

X-Digital Technology

X-Digital wideband know-how provides these controllers the ability to learn and report values that other controllers don't, which might ship more optimized engine tuning and a safer overall working condition. The controller’s excessive velocity digital implementation ensures no lack of signal fidelity and full transient response, making it capable of determine the slightest fluctuations in AFR and output them in full value.

Why Does Response Time Matter?

Sooner response time improves wideband suggestions management, and can present a safer, more powerful and correct tune. AEM’s Wideband Controllers with X-Digital know-how can scale back deadtime and enhance the performance of your vehicle by more correct AFR tuning. Deadtime is the delay between when exhaust fuel composition changes and when that change is reported by the O2 sensor. While movement of exhaust gases (transport delay) can have an effect on deadtime, it's not the one source. Typically, the sensing components response to the fuel is the biggest contributor to deadtime when an engine is in excessive RPM under load.

When tuning an engine utilizing wideband AFR suggestions management on an inertia dyno, deadtime impacts the information you are looking at because it's reported in a distinct working location than when it really occurred. This means with lengthy deadtimes, whatever changes you make to the base fueling will likely be within the improper location. This may be notably harmful to excessive compression and excessive-increase compelled induction automobiles, and EFI methods that use suggestions management to auto tune.

Decreasing deadtime improves wideband suggestions management, and can present a safer, more powerful and correct tune. AEM’s Wideband Controllers with X-Series digital know-how can scale back deadtime and enhance the performance of your vehicle by more correct AFR tuning.

Factory Calibration Resistor or Free Air Output
The X-Series Wideband Gauge and X-Series Inline Controller help the popular Bosch 4.9LSU sensor and can make the most of both the manufacturing facility calibration resistor and free-air calibration methods**. This allows customers to reap the benefits of the exact manufacturing facility resistor calibration when a sensor is new but then permits free of charge-air calibrations if the consumer needs when the sensor ages. It’s the proper marriage of simplicity and accuracy!

What Is A Wideband??

AEM's Wideband UEGO (Universal Exhaust Fuel Oxygen, pronounced “You-Method-Go”) Controllers are powerful, value effective tuning instruments that allow customers to precisely monitor the Air/Fuel Ratio (AFR) of their engine.

Why Use A Wideband??

Accurate AFR information is important when tuning an engine. Operating rich (very low air/gasoline ratio, extreme gasoline) can cause a loss in power, whereas running too lean (very excessive Air Fuel Ratio Gauge Install Subaru ratio, not enough gasoline) may end in critical engine damage. Using a wideband air/gasoline controller in the course of the tuning course of allows you to monitor AFR and alter tuning parameters to optimize them for optimum power and efficiency. AEM has a comprehensive line of extremely correct, dependable wideband air/gasoline controllers that can assist guarantee your vehicle is optimally tuned.


  • X-Series Wideband UEGO AFR Controller Gauge have been quickest responding wideband air/gasoline ratio controllers in an impartial take a look at vs. 17 competitor wideband AFR controllers
  • Consists of Bosch 4.9LSU wideband UEGO sensor
  • Factory calibrated resistor does not require free-air calibration, but know-how permits free of charge-air calibration as sensor ages if consumer needs
  • Compatible with vehicle/system voltages as much as 16V
  • 0-5V & RS232 output for information logging and suggestions management, AEMnet (CANbus) for information logging and daisy-chaining multiple controllers as much as 16 cylinders
  • Can show AFR values in hundredths of %
  • 52mm gauge diameter and slim 0.825” gauge depth
  • Gauge cup depth solely .200” deep!
  • Auto dimming function
  • Person configurable show through buttons on the gauge face for changing AFR values, Lambda and O2%, and three- or four-digit show
  • Black bezel and black dual confronted faceplate included (gauge solely, silver bezel/white gauge choice offered separately, PN 30-0300-ACC)
  • Locking connectors