:Is nothing but a light show. Its not acurate nor does it give you any real A/F reading's. Wow its yellow or green I must be good? No. Get your self a real reading, a true wideband will give you a correct airfuel ratio so you know if anything is really happening with your motor. I plan on getting a wideband for my Z. If you have the cash, I would say go for Innovate LC1. Its a little steap being over 700. You can go cheaper with a AEM wideband and still get an acurate reading.
Here is the AEM wideband that you can get for around 250.00