Contents
The Best Aem X Series Wideband of 2023 – Reviewed and Top Rated
2,983 Reviews Scanned
- The X-Series Wideband UEGO AFR Sensor Controller Gauge (PN 30-0300) features a modern, visually striking faceplate and new seven-segment center display that is 87% larger than the 30-4110 AEM
- The gauge includes a 0-5v and RS232 Serial Port output for feedback control and data logging, and an AEMnet (CANbus) output for data logging
- X-Digital wideband technology gives these controllers the ability to read and report values that other controllers do not, which can deliver more optimized engine tuning and a safer overall operating condition
- Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune
- When tuning an engine using wideband AFR feedback control on an inertia dyno, dead time affects the data you are looking at because it is reported in a different operating location than when it actually occurred
- AEM X-Series Wideband UEGO AFR Sensor Controller Gauge with OBDII Connectivity
- The fastest responding wideband afr controller
- Obdii pass through provides afr readings through the Factory ECU can-bus - ideal for users with piggyback programmers or open source tuning software!
- International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions
- Package Weight: 1.33 pounds
- Country of Origin : United States
- Part Number: 30-0334
- The 30-0334 X-Series OBDII Wideband Gauge is validated to work with EFILive, HPTuners and DashDaq software
- X-Series Inline Wideband UEGO Controller features a weather-resistant, low-profile enclosure with status LEDs
- The X-Series Inline Controller includes a 0-5v and RS232 Serial Port output for feedback control and data logging, and an AEMnet (CANbus) output
- X-Series digital wideband technology gives these controllers the ability to read and report values that other controllers do not, which can deliver more optimized engine tuning and a safer overall operating condition
- Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune
- When tuning an engine using wideband AFR feedback control on an inertia dyno, dead time affects the data you are looking at because it is reported in a different operating location than when it actually occurred
Last update on 2025-07-08 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API
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FAQ:
Q: Where to place wideband sensor on AEM X-series?
A: I called AEM directly and asked the same question. They recommended you have your wideband sensor placed approximately 4 inches from the collector for the best reading. My rear O2’s are in catless midpipes also and I placed mine on the drivers side at 4 inches from the collector.
Q: Which is AEM wideband air / fuel ratio controller?
A: AEM’s X-Series Inline Wideband UEGO Air/Fuel Ratio Controllers are built upon unique, patented, 100% digital technology that makes them the fastest responding wideband air/fuel ratio controllers in independent testing*. The X-Series Wideband UEGO Air/Fuel Ratio Controller replaces the popular 30-2310 Inline Controller.
Q: Is the OBDII wideband controller compatible with aemnet?
A: Additional wiring for a 0-5v or RS232 Serial output can be added by the user for outputting to a data logger. This OBDII pass-through capability replaces the traditional AEMnet stream available in the 30-0300 X-Series Wideband AFR Gauge Controller.
Q: What kind of analog output does AEM Infinity use?
A: A 0-5V analog output is included and can be used with data loggers or aftermarket ECUs including the AEM Infinity Engine Management System (EMS). In addition, an AEMnet (CAN bus) and serial data stream are also available for logging or mixture control purposes.