AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge
2012–2024 Scion FR-S, Scion iA, Scion iM, Scion iQ, Scion tC, Scion tC2, Scion xA, Scion xB, Scion xB2, Scion xD, Subaru BRZ, Toyota 86, Toyota GR Corolla, Toyota GR Supra, Toyota GR Yaris
30-0334
Overview:
The AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge (Part #30-0334) is a precision air/fuel ratio monitoring tool designed for tuners and enthusiasts seeking accurate, real-time AFR data through the vehicle’s factory OBDII port. Ideal for custom tuning setups using piggyback modules or open-source software, this gauge delivers fast and reliable readings by integrating directly with the factory CAN-bus network.
By providing critical air/fuel ratio information, the X-Series gauge helps optimize engine performance, improve fuel efficiency, and protect against engine damage caused by improper fueling. Its compatibility with popular tuning platforms like HPTuners and DashDaq makes it a versatile choice for a wide range of performance vehicles.
Key Features:
The AEM X-Series OBDII Wideband Gauge combines advanced technology with user-friendly features to deliver precise AFR monitoring and seamless integration.
- OBDII CAN-bus Output: Plugs directly into the vehicle’s OBDII port, simulating an auxiliary ECU signal for easy data access without complex wiring.
- Fastest Response Time: Equipped with AEM’s proprietary X-Digital technology, it offers the quickest wideband AFR response among competitors, ensuring accurate transient readings.
- Bosch 4.9LSU Sensor: Includes a high-quality sensor capable of factory resistor calibration or free-air calibration for long-term accuracy.
- Programmable OBDII Address: Allows customization of ECU number, PID, message identifier, and bit rate to avoid conflicts on the vehicle network.
- Multiple Output Options: Supports additional 0-5V or RS232 serial outputs for data logging and advanced tuning applications.
- Wide Vehicle Compatibility: Verified to work with a broad range of vehicles, including Scion, Subaru, and Toyota performance models.
- Durable and Reliable: Designed for consistent performance in demanding automotive environments.
Construction & Design:
The X-Series Wideband Gauge features robust construction with precision electronics engineered for high-speed digital signal processing. The included Bosch 4.9LSU sensor is renowned for its durability and accuracy, featuring a laser-etched calibration resistor integrated into the connector to maintain sensor integrity. The gauge’s compact design and OBDII pass-through capability simplify installation while maintaining factory ECU communication.
This combination of advanced sensor technology and digital controller ensures minimal signal loss and superior transient response, critical for fine-tuning modern engines.
Installation & Fitment:
Installation is straightforward: the gauge connects directly to the vehicle’s OBDII port, eliminating the need for extensive wiring or sensor relocation. The included Bosch 4.9LSU sensor can be installed in the exhaust stream, with calibration options available to suit new or aging sensors. The gauge’s programmable OBDII address feature ensures compatibility with most factory ECU networks without interference.
This product fits a wide range of vehicles including the Scion FR-S, Subaru BRZ, Toyota 86, Toyota GR Corolla, GR Supra, GR Yaris, and multiple Scion models such as the tC, xB, and iM series.
What's Included:
- AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge
- Bosch 4.9LSU Wideband Oxygen Sensor with factory calibration resistor
- OBDII connector cable for direct vehicle interface
- Calibration instructions for free-air and factory resistor methods
- User manual detailing programming and installation procedures
Ideal For:
This gauge is perfect for performance enthusiasts, tuners, and professional shops who require accurate, real-time air/fuel ratio data for custom engine tuning. It is especially beneficial for vehicles equipped with piggyback tuning modules or open-source tuning software, where precise AFR monitoring is essential for maximizing power, efficiency, and engine safety.
