Helped me diagnose a bad primary O2 sensor on my 06 RSX.

It also helped me to identify a transmission issue that required some repair as well as a failed O2 sensor.

Within minutes of its arrival I was able to verify that what I thought was wrong (catalytic O2 sensors)

Bad upstream O2 sensor

The OBDII Scanner helped me diagnose a bad upper O2 sensor

I had a bad O2 sensor.

It also helped me to identify a transmission issue that required some repair as well as a failed O2 sensor.

Easy to use gives you the bad news in a split second

Refuse to waste another second of my time on this pos