P0131 Diagnostic Trouble Code Discussion for April 2011
Air Fuel Sensor (Bank 1 Sensor 1) Circuit Low Input (Lean Shift)
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| 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 |
