FAST's Wireless, dual sensor technology measures your engine's air/fuel ratio with precision accuracy, all from the convenience of your smart phone! FAST has revolutionized the tuning industry with the most advanced, App based, wireless, air/fuel meter. The FAST Wireless Air/Fuel Meter uses an underhood mounted Bluetooth module, connected to oxygen sensors in both of your engine's exhaust outlets, giving you the full story on the state of your engine's t une. With the FAST Wireless Air/Fuel Meter, you can read both wideband oxygen sensors individually, or average them together for super accurate readings of the engine's true air/fuel ratio. For engine tuners on a budget, a single sensor version is also available. Easy to use with any iOS or Android device, the FAST Wireless Air/Fuel Meter App includes a simple, built-in data-logger that records up to two minutes of air/fuel and rpm data. Fuel calibrations are pre-loaded for measuring Gasoline, all popular Ethanol blends, Methanol, Diesel and more. Advanced App/Module features include 0-5 volt output for external data-loggers and digital gauges, an rpm activated window switch and a lean air/fuel ratio safety cut-off. Additionally, an innovative Anti-Theft feature has been incorporated that allows you to manually activate/deactivate a vehicle immobilizing relay. A simple way to protect your vehicle from theft! With features unlike anything else on the market, it's clear the FAST Wireless Air/Fuel Meter is the best choice for the serious engine tuner.
