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P0131 Diagnostic Trouble Code Discussion for February 2008

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
2004 Chrysler Pacifica 3.5L MIL Lamp on VIN: 2C8GM68494
P0131: Heated Oxygen Sensor (Bank 1 Sensor 1) Signal Low Voltage. ... this 2004 Pacifica. Turn off SES light with scanner will be back in about 200 miles with same p0131 code. Replaced front O2 sensor 2 times with aftermarket, came back both times same code. Replaced Front O2 sensor with OEM O2 Sensor, same code. O2 sensor i...
February 12, 2008
2000 Oldsmobile Intrigue GX 3.5L Hesitation, Misfire, MIL Lamp on VIN: 1G3WH52H8Y
P0131: O2 signal low B1S1. Hello all and thanks in advance for reading this post. This 00 Intrigue goes dead lean (both O2's read lean when it acts up, approx. 40mv) under load (intermittently) and loses power/hesitates, it will eventually come out of it, but for the most part it reads ...
February 20, 2008