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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 P0134: Heated Oxygen Sensor (Ho2S) No. 1 Bank 1/Insufficient Activity >> Notes
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DTC P0134: Heated Oxygen Sensor (Ho2S) No. 1 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.
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