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P0131 Diagnostic Trouble Code Discussion for November 2006

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

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Trouble Ticket Help Requests for DTC P0131
Help Request Posted
1997 GMC Savana 3500 5.7L Hesitation, MIL Lamp on VIN: 1GTHG35R3V
P0131: Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage. fellow techs; we're seeking help with this one. seems to be a progressive, continuous problem. freeze frame data follows: rpm 3223 tps 73% speed 69 map 93 maf 93.42 st-1 0% st-2 0% lt-1 6% lt-2 6% coolant 198 engine load 48%
November 01, 2006
2000 Oldsmobile Silhouette Premiere 3.4L MIL Lamp on VIN: 1GHDX13E6Y
P0131: Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Input. Alright,here we go.Customer states that when under load check engine light comes on.Found codes listed above.Freeze frmae data showes both codes set with engine conditions as follow!..71% throttle,73 mph,temp 194f,engine load 79%,eng rpm 3954..Test drove under...
November 10, 2006