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P0151 Diagnostic Trouble Code Discussion for August 2008

Air Fuel Sensor (Bank 2 Sensor 1) Circuit Low Input (Lean Shift)

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Trouble Ticket Help Requests for DTC P0151
Help Request Posted
1999 Oldsmobile Aurora 4.0L Excessive Emissions, MIL Lamp on VIN: 1G3GR62C3X
P0151: Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Low Voltage. car came in the first time lazy sensor expected replaced sensor, no change. bank one changes good bank 2 at idle sits at 4mv, if you take car off idle it will become active and does respond if i create a rich condition any help would be appreciated. also passe...
August 26, 2008