1. Check Exhaust Gas Leak
WARNING: This page is about a different car, the 2004 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.
- Start engine and run it at idle.
- Listen for an exhaust gas leak before three way catalyst (manifold).
Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
- OK: GO TO 2.
- NG: Repair or replace.