- Kennesaw, Georgia, United States
- US $5.00
- Jan 29th
This is a o2 heater sensor tester to test your o2 heater sensor on your motor vehicle to determine which one is bad, when you connect this device to your o2 sensor if that sensor is bad your check engine light goes away. Replace that sensor. This is for testing only Hello there, i have a Toyota Sienna and the check engine light was on because my Bank 1 Sensor 2 was bad.
