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P0131 Diagnostic Trouble Code Discussion for June 2012

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
2002 Acura TL Type-S 3.2L MIL Lamp on VIN: 19UUA56842
P0131: Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage. Car came in with code p0131 low voltage we replaced o2 sensor car came back with same code a month later checked voltage at sensor it was low does anybody have any suggestions
June 07, 2012
2004 Chevrolet C6500 Kodiak C6C042 8.1L Hesitation, Surge, Cuts out, MIL Lamp on VIN: 5B4MP67G24
P0131: O2 low voltage. This thing going up hill act like it isn't getting fuel. He will stop for few minutes & continue. Looking at the scanner freeze frame, shows that it is open loop when this occurs. Any thoughts would be welcome. Thanx
June 27, 2012