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P0151 Diagnostic Trouble Code Discussion for September 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
2000 Infiniti QX4 3.3L MIL Lamp on VIN: JNRAR07YOY
P0151: circuit low voltage b2s1. h02 sensors b1s1, b2s1, replaced and wiring repaired. now have check engine light and trouble codes po131 and po151, circuit low voltage. scan tool shows voltage to 0.67v highest 0.0v lowest while lab scope shows 0.00v to 800 milivolts both banks. suspect com...
September 02, 2008