ITEM NAME:Car CEL Fix Check Engine Light-Eliminator Adapters Oxygen O2 Sensor M18X1.5 B8T3 Car CEL Fix Check Engine Light-Eliminator Adapters Oxygen O2 Sensor M18X1.5 B8T3 Car CEL Oxygen O2 Sensor Fix Check Engine Light Eliminator Adapter With Filter 100% brand new and high quality Made of high quality material,durable and practical to use Our CEL eliminator is a small catalytic converter in front of the O2 sensor Don't risk using extensions because they usually don't work,this is a built-in real mini catalytic converter If the real catalytic converter is damaged,the CEL eliminator can help you reduce toxic gases Sometimes,the CEL alarm is caused by the O2 sensor problem.For example,the O2 sensor is too sensitive.After loading the canceller,the CEL will still open.But it will still cause more code errors. This our CEL eliminator(someone called Mini cat)can't solve all the problems on the CEL alert. It can only solve one of the P0420 codes-Fault Catalytic Converter(most common) Our CEL eliminator is versatile and suitable for most cars Built-in M18X1.5 catalytic converter helps to get rid of annoying inspection engine lights Size:Thread M18x1.5 Quantity:4 Color:silver material:metal Package Contents: 4* Oxygen Sensor