P1137
Lack Of Heated Oxygen Sensor Switches Bank 1 Sensor 2 Switch Indicates Lean
Severity
⚠️ MediumCan you drive?
Yes, but get it checked soon
Approx. repair cost
$22–67 (est.)
Symptoms
- Increased fuel consumption
- Unstable engine operation
- Check Engine light comes on
- Reduced engine power
- Increase in harmful emissions
Causes
- Bank 1 Sensor 2 Oxygen Sensor Malfunction
- Air leaks in the intake manifold
- Problems with the fuel system (low fuel pressure)
- Malfunction of the catalytic converter
- Damage to the sensor wiring harness
How to Fix
- Check oxygen sensor Bank 1 Sensor 2
- Check the tightness of the intake system
- Check fuel pressure
- Check the condition of the catalytic converter
- Replace the oxygen sensor if necessary