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Home >> Infiniti >> 2004 >> M45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P0133, P0153: Ho2S1 >> Diagnostic Procedure >> 3. Check For Exhaust Gas Leak
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3. Check For Exhaust Gas Leak

  1. Start engine and run it at idle.
  2. Listen for an exhaust gas leak before three way catalyst (Manifold).
Fig 1: Checking For Exhaust System Leaks
G00795832Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG 

  1. OK: GO TO 4.
  2. NG: Repair or replace.
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