P1162moderate severityPowertrain
HO2S Bank 1 Sensor 1 Circuit Fault
on 2009 Acura RL 3.5L V6 · AWD
What this code means
An electrical fault detected in the upstream heated O2 sensor circuit.
Symptoms
- CEL
- Poor fuel economy
- Rough idle
- Failed emissions
Common causes
- Faulty O2 sensor
- Damaged wiring
- Corroded connector
- Exhaust leak
Diagnostic steps
- Test sensor voltage
- Inspect wiring
- Check connector
- Check for exhaust leaks
Repair notes
Replace O2 sensor or repair wiring.
Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1