Powertrain
generic / SAE
P043A
Catalyst Temperature Sensor Circuit (Bank 2 Sensor 2)
A general electrical fault on the catalyst temperature sensor at bank 2 sensor 2.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number4 / 3A
Possible causes
- Sensor failed high
Symptoms
- Check engine light on
- Failed emissions inspection
- Possibly slightly increased fuel consumption
- Sulfur (rotten egg) smell from exhaust under load
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 60–500 €
- Estimated time: 0.5–2.5 h
- Component: exhaust temperature sensor
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012