aRacer AF3 Wideband AFR Module

Description

More precise. More robust. More intelligent.

Introducing aRacer’s new O2 module, designed for demanding performance enthusiasts. Compatible with BOSCH LSU 4.9 and LSU 4.2 sensors, this module combines cutting-edge technology, extreme reliability, and onboard intelligence.

Key Features:
✅ High Exhaust Temperature Alert (>800 °C): Protect your engine from critical overheating.
✅ Advanced O2 sensor heating control with over-temperature protection.
✅ 10% Faster Digital Transmission: For even more responsive real-time data.
✅ ECU & BOSCH O2 sensor fault code detection: Gain visibility and diagnostics.
✅ E30, E50, E85 fuel compatibility: Ready for high-performance ethanol blends.
✅ Works only with aRacer Super X and Mini X ECUs (requires software version S120 or higher).

Designed for tuners, trusted by pros.
Push the limits of engine tuning with a smart, robust, and race-ready O2 module.