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DTC P1279, P1289 A/F SENSOR 1 EC-511 C D E F G H I J K L M A EC Revision: 2004 November 2004 Murano 3. CHECK EXHAUST GAS LEAK 1. Start engine and run it at idle. 2. Listen for an exhaust gas leak before three way catalyst (manifold). OK or NG OK >> GO TO 4. NG >> Repair or replace. 4. CHECK FOR INTAKE AIR LEAK Listen for an intake air leak after the mass air flow sensor. OK or NG OK >> GO TO 5. NG >> Repair or replace. PBIB1216E |