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Home › Buick › 1996 › Regal Base, 3.1 M › Repair and Diagnosis › Engine Performance › System › Engine Controls - Tests W/Codes - Regal › Diagnostic Trouble Codes › DTC P0140 - Ho2S Insufficient Activity Sensor 2 › Notes

DTC P0140 - Ho2S Insufficient Activity Sensor 2: Notes

NOTE: For circuit reference, see DTC P0131 schematic.
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