Best Seller! The DM-6 + SM-AFR Gen4 Gauge Combo is a tuner grade Bosch LSU 4.9 wideband oxygen sensor controller with 2 1/16" touch screen gauge. Accurately reads the air/fuel ratio of any internal combustion from 0.68 Lambda to 1.36 Lambda (10:1 - 20:1 AFR *Gasoline). Fully plug and play, no sensor calibration is required. Compatible with Gasoline, Diesel, Ethanol, Methanol, E85, LPG, CNG. Accurate to 0.1AFR with less than 100mS reaction time from rail to rail. Advanced sensor health monitoring, displays oxygen sensor health and reaction time on the DM-6 gauge.
