2016 Buick P2195: What It Means & Is It Safe to Drive?
P2195 on the 2016 Buick: O2 Sensor Signal Stuck Lean (Bank 1, Sensor 1). Here's what it means, what usually causes it, what repairs typically cost, and whether it's safe to keep driving.
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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 on the 2016 Buick
- 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
For a 2016 Buick, repairs for P2195 typically fall between $80 and $400, depending on the root cause and labor rates in your area.