Car Oxygen Sensor Adapter Check Engine Light Eliminator Extension Filter O2 Sensor M18X1.5 for OFF Road Catalyst CSV Auto Parts O2 Oxygen Sensor CEL Eliminator Extender Spacer Bung Catalytic Converter Check Engine Light Fix Universal M18X1.5 Threads Application: For Most Vehicle With M18X1.5 Threads. Specification: 100% quality assurance tested, more responsive, less expensive, easier to install. Direct replacement, durable and have high strength to use. Prevent certain oil and excess fuel from entering the pipe. Eliminate to checking engine light(CEL) after modifing exhaustor or removing catalytic converter. Solve the problem of P0420/P0042 codes faulty. Easy installation, direct bolt-on, no modification needed. We have straight and 90 degree angled oxygen sensors on sale. Material & Color: Material: made of high quality Stainless Steel. Color: as picture. Package Included: 1xO2 Sensor Spacer. (100% Brand New Never Used Or Installed) Installation: 1. Remove O2 sensor from the pipe. 2. Bolt in new sensor spacer. 3. Bolt O2 sensor to new spacer by hand firstly. 4. Tighten with a wrench. 5. Do the same on the other side. Symptom of P0420/P0042 Codes Faulty: Uses an OBD-II scanner to retrieve trouble codes stored by the Powertrain Control Module (PCM).Faulty catalytic converter is the most common reason to cause fault codes P0420/P0042. There are 4 common indicators of faulty. 1. Check Engine Light is on. 2. Lack of power after vehicle warms up. 3. Speed of vehicle may not exceed 30-40 mph. 4. Rotten egg smell coming from the exhaust pipe. Install our oxygen sensor adapter could help solve the problem. Steps Rated Error Codes: P0031-O2 SENSOR 1/1 HEATER CIRCUIT LOW. P0037-O2 SENSOR 1/2 HEATER CIRCUIT LOW. P0051-O2 SENSOR 2/1 HEATER CIRCUIT LOW. P0057-O2 SENSOR 2/2 HEATER CIRCUIT LOW. P0032-O2 SENSOR 1/1 HEATER CIRCUIT HIGH. P0038-O2 SENSOR 1/2 HEATER CIRCUIT HIGH. P0052-O2 SENSOR 2/1 HEATER CIRCUIT HIGH. P0058-O2 SENSOR 2/2 HEATER CIRCUIT HIGH. P0131-O2 SENSOR 1/1 CIRCUIT LOW VOLTAGE. P0137-O2 SENSOR 1/2 CIRCUIT LOW VOLTAGE. P0151-O2 SENSOR 2/1 CIRCUIT LOW VOLTAGE. P0157-O2 SENSOR 2/2 CIRCUIT LOW VOLTAGE. P0132-O2 SENSOR 1/1 CIRCUIT HIGH VOLTAGE. P0138-O2 SENSOR 1/2 CIRCUIT HIGH VOLTAGE. P0152-O2 SENSOR 2/1 CIRCUIT HIGH VOLTAGE. P0158-O2 SENSOR 2/2 CIRCUIT HIGH VOLTAGE. P0133-O2 SENSOR 1/1 SLOW RESPONSE. P0139-O2 SENSOR 1/2 SLOW RESPONSE. P0153-O2 SENSOR 2/1 SLOW RESPONSE. P0159-O2 SENSOR 2/2 SLOW RESPONSE. P0135-O2 SENSOR 1/1 HEATER PERFORMANCE. P0141-O2 SENSOR 1/2 HEATER PERFROMANCE. P0155-O2 SENSOR 2/1 HEATER PERFORMANCE. P0161-O2 SENSOR 2/2 HEATER PERFORMANCE. P0420-CATALYST 1/1 EFFICIENCY. P0430-CATALYST 2/1 EFFICIENCY. Note: Provide Tracking Number With Every Order, Please Buy With Confidence! No installation guides are included, we highly recommend to seek professional installation. Any damage during installation will not be refunded. Will come with everything you see in the picture. Please allow difference due to manual measurement. Please check that the picture matches before purchase. The color of the actual items may slightly different from the listing images due to different computer screen, thanks for your understanding. For any inquiries or special requests such as larger amount ordering please write to us.