Read more: 15 Popular Oil Filter Brands, Ranked The OBD-II port location varies between the manufacturer, make, and model of a vehicle. Below are some of the most common places to find the connector.

Rev by DevToaster is an application for the iPhone and iPod Touch that allows real-time monitoring of vehicle ECU data from the OBD-II port. Rev interfaces with a WiFi OBD-II dongle. If your check ...