Those who are into car gadgets may already have an idea about its work, but others who are new to such devices should take out time to understand how it helps your engine. Overviewing all the information provided by the manufacturer, it appears that Effuel ECO OBD2 is an electronic chip that helps to change and regulate the fuel efficiency of a car. Basically, this device is an ECO-OBDII connector used to link the OBD2 interface with the car engine. There are many other OBD2 chips available in the market, but this one is the latest addition to these chips.Click Here https://finance.yahoo.com/news/effuel-reviews-2021-effuel-eco-215900802.html