P1152moderate severityPowertrain
Air-Fuel Ratio Sensor Range/Performance (Bank 2 Sensor 1)
on 2006 Lexus GS 430 4.3L V8 · RWD
What this code means
The front air-fuel ratio sensor on bank 2 is out of range or responding slowly. The ECM cannot properly trim fuel on that bank.
Symptoms
- Check engine light on
- Poor fuel economy
- Rough running under load
Common causes
- Faulty A/F sensor bank 2
- Exhaust leak near sensor
- Contaminated sensor
- Wiring or connector fault
Diagnostic steps
- Read bank 2 A/F sensor data
- Inspect exhaust for leaks
- Check sensor wiring and connector
- Replace A/F sensor if slow/out of range
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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
P0005
Fuel Shutoff Valve A Control Circuit/Open
P0006
Fuel Shutoff Valve A Control Circuit Low
P0007
Fuel Shutoff Valve A Control Circuit High
P0008
Engine Position System Performance - Bank 1
P0009
Engine Position System Performance - Bank 2
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1