P1150
Air/Fuel Ratio Sensor Circuit Range/Performance Malfunction Bank 2 Sensor 1
Severity
⚠️ MediumCan you drive?
Yes, but get it checked soon
Approx. repair cost
$33–89 (est.)
Symptoms
- Check Engine light comes on
- Increased fuel consumption
- Unstable engine idling
- Reduced engine power
- Dips during acceleration
Causes
- Faulty air/fuel ratio sensor
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Intake manifold vacuum leaks
- Problems with the fuel supply system
How to Fix
- Check the integrity of the sensor circuit and connectors
- Check the sensor readings using a scanner
- Replace air/fuel ratio sensor if necessary
- Check the system for vacuum leaks
- Check the operation of the fuel system