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SEF390UA q A CHECK COMPONENT and check for water. 3. Check heated oxygen sensor 1 (front). OK E NG REPAIR OR REPLACE harness protector color. 2. Repair or replace mal- functioning HO2S1 Perform “TROUBLE DIAGNOSIS FOR OK INSPECTION END GI MA EM LC FE AT PD FA RA BR ST RS BT HA EL IDX TROUBLE DIAGNOSIS FOR DTC P0134 (B1), P0154 (B2) Heated Oxygen Sensor 1 (Front) (P0134: Bank H H H EC-201 |