Screw the spacer into the exhaust mounting hole, then reinstall the oxygen sensor onto the spacer O2 sensors and spacers are key components in vehicle emissions systems Reconnect the electrical connector and start the vehicle—the check engine light should turn off.
Oxygen O2 sensor spacer for exhaust systems with M18x1.5 thread adapter
Installation can vary by vehicle, exhaust layout, and sensor access, so professional help may be appropriate.
Learn when o2 spacers help with check engine lights, what specs matter (m18x1.5 thread, length), and key legal/safety considerations.
A quick demonstration on how to install an oxygen sensor spacer (also known as an o2 sensor extender or bung adapter). 2002 , 2003descriptionnissan sentra downstream oxygen sensor Stock exhaust system removal note These instructions are written for late model motorcycles equipped with o2 sensors
If you are installing these pipes on a bike which is not equipped with o2. Locate and unplug the o2 sensor wires from the wiring harness (grey and black connectors located behind right side panel) and remove cable ties holding wires to frame Feed the end of the wires.
