Replacement Aracer AF1 & AF2 wideband O2 Sensor. 100% Plug and Play with your AF1 & AF2 modules.
Signs that your sensor is bad are the following.
- Reads 25.5 consistently.
- Inconsistent readings. 13.3->18.0->9.0->15.0
- Stuck at 18.0
*All sensors will come with our limited lifetime warranty.