What does code P2195 mean on a Aston Martin and is it safe to drive?
P2195: O2 Sensor Signal Stuck Lean (Bank 1, Sensor 1). Here's what it means on your Aston Martin, what usually causes it, what repairs typically cost, and how safe it is 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 for your Aston Martin
- 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 Aston Martin, repairs for P2195 often fall between $80 and $400, depending on the cause and whether you use OEM or aftermarket parts. Labor rates vary by location.