The Optifuel Fuel Saver is a plug-and-play OBD2 chip designed to help drivers improve fuel efficiency and overall car engine performance. This article explores the root causes of fuel inefficiency, ...

Dave exposes the eco (Nitro) OBD2 Fuel Saver as a complete SCAM! Also known as the OptiFuel. They are supposed to talk to the car's ecu via the can bus on the OBD2 connector, but does it even do that?

EcoPlus is a chip that’s programmed to assist users in saving fuel by remapping your vehicle’s ECU to maximize fuel efficiency in accordance with your driving habits. This technology that saves fuel ...