P2195
O2 Sensor Signal Biased/Stuck Lean Bank 1 Sensor 1
P2195 is an OBD-II diagnostic trouble code meaning: O2 Sensor Signal Biased/Stuck Lean Bank 1 Sensor 1. Common causes: oxygen sensor malfunction, vacuum leak. Estimated repair cost: $28–78.
Symptoms
- Increased fuel consumption
- Reduced engine power
- Unstable idling
- Check Engine Light
- Dips during acceleration
Causes
- Oxygen sensor malfunction
- Vacuum leak
- Sensor is dirty or damaged
- Problems with the fuel system (weak fuel pump, clogged injectors)
- Sensor circuit malfunction or wiring problems
How to Fix
- Check the integrity of the wiring and sensor connector
- Check for vacuum leaks
- Evaluate oxygen sensor readings using a diagnostic scanner
- Replace the oxygen sensor if necessary
- Check the fuel system (fuel pressure, condition of injectors)
Related codes
Error P2195 by Vehicle Brand
FAQ
What does the P2195 code mean?
P2195 is an OBD-II diagnostic trouble code that indicates: O2 Sensor Signal Biased/Stuck Lean Bank 1 Sensor 1
What causes a P2195 error code?
The most common causes of P2195 include: Oxygen sensor malfunction; Vacuum leak; Sensor is dirty or damaged; Problems with the fuel system (weak fuel pump, clogged injectors).
How do I fix a P2195 diagnostic trouble code?
To fix P2195: Check the integrity of the wiring and sensor connector. Check for vacuum leaks. Evaluate oxygen sensor readings using a diagnostic scanner. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2195?
Yes, but get it checked soon
How much does it cost to fix P2195?
The estimated repair cost for P2195 is $28–78. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat