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
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References
sae:J2012