What does code P2195 mean and is it safe to drive?
P2195: O2 Sensor Signal Stuck Lean (Bank 1, Sensor 1). Here’s what it means, what usually causes it, what repairs typically cost, and how urgent it is to keep driving.
PowertrainGenerally safe to drive
Repair cost
$80–$400
System
Powertrain
Urgency
medium
What this code means
The upstream O2 sensor on bank 1 is reporting lean all the time. Could be sensor or a real lean condition.
Common causes
- Faulty upstream O2 sensor
- Vacuum leak or fuel delivery problem
- Exhaust leak before sensor
Symptoms
- Check Engine Light
- Rough run, possible lean codes
Typical fixes
- Replace O2 sensor
- Fix vacuum/fuel issues
- Repair exhaust leak
Repair cost range
Repairs for P2195 often fall between $80 and $400, depending on the cause and your vehicle.