P2272
O2 Sensor Signal Biased/Stuck Lean Bank 2 Sensor 2
P2272 is an OBD-II diagnostic trouble code meaning: O2 Sensor Signal Biased/Stuck Lean Bank 2 Sensor 2. Common causes: bank 2 sensor 2 oxygen sensor malfunction, air leaks in the exhaust manifold or pipes. Estimated repair cost: $17–67.
Symptoms
- Increased fuel consumption
- Loss of engine power
- Check Engine Light Is On
- Unstable engine idling
- Dips during acceleration
Causes
- Bank 2 Sensor 2 oxygen sensor malfunction
- Air leaks in the exhaust manifold or pipes
- Problems with the fuel supply system (clogged injectors, weak fuel pump)
- Sensor wiring is dirty or damaged
- Leaking intake system
How to Fix
- Check the integrity of the oxygen sensor wiring
- Check the exhaust system for leaks
- Check fuel pressure and condition of fuel injectors
- Replace Bank 2 Sensor 2 oxygen sensor if necessary
- Clear error codes and check if error is returned
Related codes
Error P2272 by Vehicle Brand
FAQ
What does the P2272 code mean?
P2272 is an OBD-II diagnostic trouble code that indicates: O2 Sensor Signal Biased/Stuck Lean Bank 2 Sensor 2
What causes a P2272 error code?
The most common causes of P2272 include: Bank 2 Sensor 2 oxygen sensor malfunction; Air leaks in the exhaust manifold or pipes; Problems with the fuel supply system (clogged injectors, weak fuel pump); Sensor wiring is dirty or damaged.
How do I fix a P2272 diagnostic trouble code?
To fix P2272: Check the integrity of the oxygen sensor wiring. Check the exhaust system for leaks. Check fuel pressure and condition of fuel injectors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2272?
Yes, but get it checked soon
How much does it cost to fix P2272?
The estimated repair cost for P2272 is $17–67. Actual cost depends on your vehicle, location, and labor rates.
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