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Home >> Lexus >> 2007 >> LS 460L >> Repair and Diagnosis >> External Pages >> Different car >> Section 76 (Engine Control System - DTC) >> DTC P0400: EGR Function >> Diagnostic Procedure >> 1. Check Exhaust System

1. Check Exhaust System

WARNING: This page is about a different car, the 2004 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  1. Start engine.
  2. Check exhaust pipes and muffler for leaks.
Fig 1: Check Exhaust Pipes And Muffler For Leaks
G00877307Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG 

  1. OK: GO TO 2.
  2. NG: Repair or replace exhaust system.
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