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Home >> Isuzu >> 1999 >> Trooper Part Time >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Trouble Code Identification >> DTC P0140: Heated Oxygen Sensor (Ho2S) No. 2 Bank 1/Insufficient Activity >> Notes

DTC P0140: Heated Oxygen Sensor (Ho2S) No. 2 Bank 1/Insufficient Activity: Notes

NOTE: Always inspect a faulty HO2S for contamination and correct cause before installing a new HO2S. Bank 1 refers to right cylinder bank.