1x Oxygen O2 Sensor Spacer Adapter Bung Catalytic Converter Fix Check Engine New

ITEM NAME:1x Oxygen O2 Sensor Spacer Adapter Bung Catalytic Converter Fix Check Engine New Description&Preview.For example the O2 sensor is too sensitive. And our CEL eliminator is one kind of small catalytic converter in front of the O2 sensor. M18X1.5 catalytic converter built inside and will help get rid of that annoying check engine light.