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P0140 Diagnostic Trouble Code Discussion for January 2007

Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient Activity


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Trouble Ticket Help Requests for DTC P0140
Help Request Posted
1997 Mazda Protege DX 1.5L Poor Idle Quality, Stall, MIL Lamp on VIN: JM1BC1414V
P0140: Heated Oxygen Sensor (Bank 1 Sensor 2) Lack Of Activity. hello everyone, need some help w/this mazda. came into the shop as a rough idle & stall espically when warm. once @ operating temp idle hunts up & down between 300-800rpm (give or take)& most of the time stays running but sometimes stalls. when veh...
January 17, 2007
1997 Mazda Protege DX 1.5L Poor Idle Quality, Stall, MIL Lamp on VIN: JM1BC1414V
P0140: Heated Oxygen Sensor (Bank 1 Sensor 2) Lack Of Activity. hello everyone, need some help w/this mazda. came into the shop as a rough idle & stall espically when warm. once @ operating temp idle hunts up & down between 300-800rpm (give or take)& most of the time stays running but sometimes stalls. when veh...
January 17, 2007