Been a while since I’ve posted.
Got a P3255 code for “Regulation at Upper Limit” on the B1 S1 Oxygen sensor.
I know the obvious place to look would be to just replace the sensor, but was just curious if there could be any other low hanging fruit I should check first?
`
012885 - Oxygen (Lambda) Sensor B1 S1; Heating Circuit
P3255 - 001 - Regulation at Upper Limit - MIL ON
Freeze Frame:
Fault Status: 11100001
Fault Priority: 0
Fault Frequency: 2
Reset counter: 255
Mileage: 142152 km
Time Indication: 0
Freeze Frame:
RPM: 1937 /min
Load: 20.0 %
Speed: 51.0 km/h
Temperature: 36.0°C
Temperature: 21.0°C
Absolute Pres.: 980.0 mbar
Voltage: 13.970 V
000304 - Oxygen (Lambda) Sensor B1 S1
P0130 - 001 - Malfunction in Circuit - MIL ON
Freeze Frame:
Fault Status: 11100001
Fault Priority: 0
Fault Frequency: 2
Reset counter: 255
Mileage: 142153 km
Time Indication: 0
Freeze Frame:
RPM: 2235 /min
Load: 27.4 %
Speed: 85.0 km/h
Temperature: 65.0°C
Temperature: 21.0°C
Absolute Pres.: 980.0 mbar
Voltage: 13.716 V`