P1163
HO2S Bank 1 Sensor 1 Slow Response
2016-2021 Honda Civic 2.0L I4
Moderate SeverityPowertrain
Description
The upstream O2 sensor is switching too slowly between rich and lean.
Symptoms
- CEL
- Poor fuel economy
- Increased emissions
- Rough running
Common Causes
- Aging sensor
- Contaminated sensor
- Exhaust leak
- Fuel quality issue
Diagnostic Steps
- Monitor switching rate
- Check for exhaust leaks
- Test sensor heater
- Compare to specs
Repair Notes
Replace O2 sensor.
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
P1163 on Other Vehicles
Common Questions
What does code P1163 mean on a 2016-2021 Honda Civic?
P1163 stands for "HO2S Bank 1 Sensor 1 Slow Response". The upstream O2 sensor is switching too slowly between rich and lean.
What are the symptoms of P1163 on a Honda Civic?
Common symptoms of P1163 include: CEL, Poor fuel economy, Increased emissions, Rough running.
What causes P1163 on a 2016-2021 Honda Civic?
Common causes of P1163 include: Aging sensor, Contaminated sensor, Exhaust leak, Fuel quality issue.