P1167
Heated Rear Oxygen Sensor 2 Maximum Voltage Monitoring Bank 2
Severity
⚠️ MediumCan you drive?
Yes, but get it checked soon
Approx. repair cost
$28–89 (est.)
Symptoms
- Check Engine light comes on
- Deterioration in fuel consumption
- Reduced engine power
- Unstable operation at idle
- Possible jerking when moving
Causes
- Rear oxygen sensor malfunction
- Air leak in exhaust system
- Problems with the catalytic converter
- Malfunction of fuel injectors (overflow)
- Damage to the wiring to the sensor
How to Fix
- Check the condition of the oxygen sensor
- Inspect the exhaust system for leaks
- Check the operation of the catalytic converter
- Test fuel injectors
- Check the integrity of wiring and connectors