FAST Air Fuel Ratio Monitor
- Guaranteed to have great durability with its heavy duty built
- Gives out accurate information
When you're looking for an efficient and high quality monitor that lets you know the air fuel ratio of your vehicle then opt for the best, opt for FAST Air Fuel Ratio Monitor. What's more, it gives out tuners the power to read two wide-band oxygen sensors individually or average them together for maximum accuracy of the engine's air/fuel ratio reading