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Home >> Infiniti >> 1998 >> QX4 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes 3.3L >> Diagnostic Tests >> DTC P1148 Or P1168: Closed Loop Control

DTC P1148 Or P1168: Closed Loop Control

NOTE: DTC P1148 (right bank, B1), DTC P1168 (left bank, B2)

See DTC P0133 OR P0153: FRONT HEATED OXYGEN SENSOR (HO2S)  RESPONSE MONITORING.