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6 CHECK HEATED OXYGEN SENSOR 1 (FRONT) Without CONSULT-II 1. Start engine and warm it up to normal operating temperature. engine ground. 3. Check the following with engine speed held at 2,000 rpm constant under no load. SEF967XA CAUTION: Discard any heated oxygen sensor which has been dropped from a height of more than 0.5 m (19.7 in) onto a OK or NG OK © GO TO 8. NG © GO TO 7. 7 REPLACE HEATED OXYGEN SENSOR 1 (FRONT) 1. Turn ignition switch “OFF”. SEF505Y CAUTION: Before installing new oxygen sensor, clean exhaust system threads using Oxygen Sensor Thread Cleaner tool © Replace malfunctioning heated oxygen sensor 1 (front). 8 CHECK INTERMITTENT INCIDENT Refer to “TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT”, EC-140. © INSPECTION END GI MA EM LC FE AT TF PD AX SU BR ST RS BT HA SC EL IDX DTC P0134, P0154 HEATED OXYGEN SENSOR 1 (FRONT) (BANK 1)/(BANK 2) (HIGH VOLTAGE) Diagnostic Procedure (Cont’d) EC-239 |