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P0131 Diagnostic Trouble Code Discussion for August 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
1998 Chevrolet Astro 4.3L Poor Idle Quality, Hesitation, MIL Lamp on VIN: 0574323589
P0131: Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Input. continues to set a crank sensor code. replaced sensor twice with dealer part. replaced computer. wiring checks good. vehicle has rebuilt long block. problem didnt occur before long block was installed. starts and runs good except for the rough idle after warm ...
August 31, 2006