P1162moderate severityPowertrain
HO2S Bank 1 Sensor 1 Circuit Fault
on 2007 Acura MDX 3.7L 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
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0011
Intake Camshaft Position Timing Over-Advanced Bank 1
P0012
Intake Camshaft Position Timing Over-Retarded Bank 1
P0013
Exhaust Camshaft Position Actuator Circuit/Open Bank 1
P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1