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Home >> Oldsmobile >> 1980 >> Cutlass Calais, 5.7L Eng VIN R >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Computer Controlled Catalytic Converter System C-4 >> Maintenance >> Oxygen Sensor Replacement >> Removal
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Oxygen Sensor Replacement: Removal

Disconnect sensor electrical connector and spray sensor threads with suitable heat riser valve lube. Allow to soak at least 5 minutes, then carefully back out oxygen sensor.

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