Jesus, post up something like your new thongs or panties instead.
You must be a minor. I don't think I should. ha
^is that a wideband o2 sensor?
wideband o2 sensor+boost module+ the guage reads boost/afr/the ecu via ODB2 port. it can read more depending on what other module boxes you have (egt, water temp, etc). all links up to the one guage to read anything in the vehicle