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Home >> Volvo >> 2004 >> S80 Base, 2.5 59, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control Module (ECM) Diagnostic Trouble Codes - 5 Of 11 >> ECM-2B1A: Rear Heated Oxygen Sensor (Ho2S) Aging, Bank 2. Signal Too High (B6294S2; B6294T; 2002-2004) >> Permanent fault >> Replacing the component >> Notes
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Replacing the component: Notes

Try a new heated oxygen sensor (HO2S). See Heated oxygen sensor (HO2S), replacing .

Other information 

Fig 1: Identifying Rear Heated Oxygen Sensor (HO2S)
GLL102933Courtesy of VOLVO CARS OF NORTH AMERICA.