Ok I have a 2000 Ford Explorer 4.0l ohv. I just ordered a Vague Icar1 Wifi Elm327obd Obdii/eobd2 Wifi327 for Android Pc Iphone Just waiting for it to arrive. I downloaded iOBD2 app and dash command. What other apps are good for ios- iPhone? Free & paid apps. Anyone with experience, if you could chime in and give your thought. Thanks!