P1130moderate severityPowertrain
Air/Fuel Sensor Circuit Range Bank 1 Sensor 1
on 1996 Lexus LS 400 4.0L V8 · RWD
What this code means
The A/F ratio sensor on Bank 1 Sensor 1 is not operating within expected range.
Symptoms
- CEL
- Poor fuel economy
- Rough idle
- Hesitation
Common causes
- Failing A/F sensor
- Exhaust leak
- Contaminated sensor
- Wiring issue
Diagnostic steps
- Test sensor output
- Check for exhaust leaks
- Inspect wiring
- Monitor fuel trims
Repair notes
Replace A/F ratio sensor.
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