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Home >> Volvo >> 2007 >> XC70 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control Module (ECM) Diagnostic Trouble Codes (XC) - 2 Of 9 >> ECM-2820: Heated Oxygen Sensor (Ho2S) Bank 1, Preheating. Signal Missing. Permanent Fault (B5244T3; 2002) >> Signal missing. Permanent fault >> Replacing lambda probes >> Removal of lambda probes
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Removal of lambda probes

Fig 1: Identifying Connectors
GLL101011Courtesy of VOLVO CARS OF NORTH AMERICA.

Jack up the car.

Remove the LH front wheel.

Uncover the wiring.

Disconnect the connectors.

Jack up the car.

Fig 2: Heated Oxygen Sensors
GLL101010Courtesy of VOLVO CARS OF NORTH AMERICA.

Uncover the wiring.

Remove lambda probes using tool 9995543 .