Removal & Installation
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2002 Nissan Xterra, 2002 Nissan Sentra, 2002 Nissan Quest, 2002 Nissan Pathfinder, and 2002 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
- Heated Oxygen Sensors (HO2S) are mounted in exhaust pipe, upstream and downstream of catalytic converter. HO2S is equipped with a permanent pigtail which must be protected from damage when removing HO2S.
- HO2S may be difficult to remove when engine temperature is less than 120°F (49°C). Ensure HO2S is free of contaminants. Avoid using cleaning solvents of any type. Always use anti-seize compound on threads before installing. Tighten HO2S to specification. See TORQUE SPECIFICATIONS .