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P0131 Diagnostic Trouble Code Discussion for April 2011

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
2005 Chevrolet Venture LS 3.4L MIL Lamp on VIN: 1GNDX33E05
P0131: Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage. ... this code, p0131 o2 voltage low, can only get this to act up on roadtest if you are into the throttle 70% or above,check o2 wiring, fuel pressure good 50psi, replaced pluged fuel filter,tried new o2 sensor, going to try known good maf sensor, any other ide...
April 12, 2011
1998 Saturn SW2 1.9L Misfire VIN: 1G8ZK8270W
P0131: Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage. Car came in running poorly, after retrieving codes noticed car had a random cylinder misfire, with two bad oxygen sensors. Replaced all that, took the car on a test drive to find that is had a misfire on cylinder 4 mainly still but you only notice it once you ...
April 25, 2011