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DTC P0133, P0153 A/F SENSOR 1 EC-275 C D E F G H I J K L M A EC 11. CHECK PCV VALVE Refer to OK or NG OK >> GO TO 12. NG >> Repair or replace PCV valve. 12. CHECK INTERMITTENT INCIDENT Perform EC-145, "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" OK or NG OK >> GO TO 13. NG >> Repair or replace. 13. REPLACE AIR FUEL RATIO (A/F) SENSOR 1 Replace air fuel ratio (A/F) sensor 1. CAUTION: ● Discard any A/F sensor which has been dropped from a height of more than 0.5 m (19.7 in) onto a ● Before installing new A/F sensor, clean exhaust system threads using Oxygen Sensor Thread >> INSPECTION END Removal and Installation NBS002XQ AIR FUEL RATIO (A/F) SENSOR 1 Refer to EM-23, "EXHAUST MANIFOLD AND THREE WAY CATALYST" . |