ITEM NAME:45 ° Car Oxygen O2 Sensor Adapter Catalytic Exhaust Spacer Bung Fix Check En D7K4 45 ° Car Oxygen O2 Sensor Adapter Catalytic Exhaust Spacer Bung Fix Check En D7K4 Introductions: This O2 cel fix actually has a miniature catalytic converter built inside and will help get rid of that annoying check engine light you get after modifying your exhaust or removing your catalytic converter, and sometimes even when installing a high flow catalytic converter. Don't take a chance on using an extension only as often they do not work, this is a real mini Catalytic Converter built into it. This O2 cel fix with miniature cat will trick your ECU into thinking the stock catalytic converter is still installed. When you remove your catalytic converter, your post O2 sensor will see higher temperatures and greater flow of unburnt fuel. As a result this will throw check engine lights (Cel, SES, DTC) typically the error codes will be P0420 (Catalyst System Efficiency Below Threshold Bank 1) and/or P0430 P0420 - Catalyst System Efficiency Below Threshold Bank 2). For OFF ROAD use only Instruction is not included. Size: As the picture shown Color: silver material: metal Thread: M18 X 1.5 It fit most of car,our 45 degree O2 sensor bungs mini catalytic converter was made of metal,Available in straight or 45* angled, to help fit every application,M18X1.5 catalytic converter built inside and will help get rid of that annoying check engine light. What causes the CEL on? There are many aspects to cause the CEL on, one aspect is catalytic problem,and our CEL eliminator is one kind of small catalytic converter in front of the O2 sensor, so if your real catalytic converter is broken, the CEL eliminator can help you to reduce the toxic gas. But sometimes ,the CEL alert is caused by O2 sensor problem. For example the O2 sensor is too sensitive, the CEL will still on after you load the eliminator.And still it will cause more Code error!So our CEL eliminator (someone call it Mini cat) can not so
