P0136
O2 Sensor Circuit Bank 1 Sensor 2
2010-2021 Fiat Uno 1.0L I4 Flex Fire Evo
Moderate SeverityPowertrainGeneric (SAE)
Description
General malfunction in the downstream O2 sensor circuit for Bank 1.
Symptoms
- Check Engine Light
- Failed emissions test
- Reduced catalyst monitoring
Common Causes
- Faulty downstream O2 sensor
- Wiring damage
- Exhaust leak after catalyst
Diagnostic Steps
- Test O2 sensor voltage
- Inspect wiring
- Check for exhaust leaks after cat
Repair Notes
Replace downstream O2 sensor.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P0136 on Other Vehicles
Fiat 124 Spider
2017-2020 1.4L I4 Turbo
Fiat 126p Maluch
1973-2000 0.65L I2 Air-Cooled
Fiat 126p Maluch
1987-2000 0.7L I2 Air-Cooled
Fiat 500
2012-2019 1.4L I4
Fiat 500 Abarth
2012-2019 1.4L I4 Turbo
Fiat 500 BR
2011-2020 1.4L I4 Flex Fire Evo
Fiat 500 PL
2007-2025 1.0L I3 Hybrid FireFly 70
Fiat 500 PL
2007-2025 1.2L I4 Fire 69
Common Questions
What does code P0136 mean on a 2010-2021 Fiat Uno?
P0136 stands for "O2 Sensor Circuit Bank 1 Sensor 2". General malfunction in the downstream O2 sensor circuit for Bank 1.
What are the symptoms of P0136 on a Fiat Uno?
Common symptoms of P0136 include: Check Engine Light, Failed emissions test, Reduced catalyst monitoring.
What causes P0136 on a 2010-2021 Fiat Uno?
Common causes of P0136 include: Faulty downstream O2 sensor, Wiring damage, Exhaust leak after catalyst.