Dashboss is what I use in all my cars. Can be used to monitor vehicle diagnostics as well as reset check engine lights. Hey have additional attachments to monitor egt temp, etc for diesels. Only compatible with apple software so use your iPhone, I touch or iPad to display
Can also record and data log, I use it at the track to monitor temps, boost, etc
REV C Dashboss Bluetooth iPhone/iPod/iPad Performance Monitor
https://www.amazon.com/dp/B00AZ273VM..._UFAjBbX8FQ5XJ