Powertrain
generic / SAE
P0150
O2 Sensor Circuit Malfunction (Bank 2, Sensor 1)
Same condition as P0130 but on bank 2 of a multi-bank engine. Closed-loop fuel control on bank 2 is disabled while this fault is active.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number1 / 50
Possible causes
- Oxygen sensor aged high
- Sensor harness chafed medium
Symptoms
- Check engine light on
- Increased fuel consumption
- Possible rough idle or hesitation
- Failed emissions test
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 60–250 €
- Estimated time: 0.3–1.5 h
- Component: oxygen sensor upstream
- Component: oxygen sensor wiring
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012