P0159
O2 Sensor Circuit Slow Response Bank 2 Sensor 2
2000-2005 Chevrolet Impala 3.4L V6
Low SeverityPowertrainGeneric (SAE)
Description
Slow response from the downstream O2 sensor on Bank 2.
Symptoms
- Check Engine Light
- Failed emissions
Common Causes
- Aging sensor
- Contaminated sensor
Diagnostic Steps
- Monitor response
- Test sensor
Repair Notes
Replace sensor.
Related Codes
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- P0003Fuel Volume Regulator Control Circuit Low
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- 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
P0159 on Other Vehicles
Chevrolet Astro
1995-2005 4.3L V6 Vortec
Chevrolet Avalanche
2002-2006 5.3L V8 Vortec
Chevrolet Avalanche
2002-2006 8.1L V8 Vortec
Chevrolet Avalanche
2007-2013 5.3L V8 Vortec
Chevrolet Avalanche
2007-2013 6.0L V8 Vortec
Chevrolet Aveo
2012-2018 1.6L I4
Chevrolet Beat
2018-2021 1.2L I4
Chevrolet Beretta
1990-1996 2.2L I4
Common Questions
What does code P0159 mean on a 2000-2005 Chevrolet Impala?
P0159 stands for "O2 Sensor Circuit Slow Response Bank 2 Sensor 2". Slow response from the downstream O2 sensor on Bank 2.
What are the symptoms of P0159 on a Chevrolet Impala?
Common symptoms of P0159 include: Check Engine Light, Failed emissions.
What causes P0159 on a 2000-2005 Chevrolet Impala?
Common causes of P0159 include: Aging sensor, Contaminated sensor.