I have for sale this 02 simulator that allowed me to get rid of some engine codes.. a picture of this item can be found on www.cardomain.com/ride/595770 page 3. You need to have the right 02 sensor issue in order to be replaced with this simulator (female to male connection etc).. Not sure which one I have. Retails new at $125.. Used for a month and in excllent condtion. An LED light indicates sensor is functioning correctly when hooked up. Selling for $85 OBO.