P0175: System Too Rich (Bank 2)
These codes indicate that the air/fuel mixture in the engine is too rich, meaning there is too much fuel and not enough air. This can cause several issues, including:
- Reduced fuel economy
- Increased emissions
- Engine misfires
- Stalling
- Rough idling
Here are some possible causes of these codes:
- Faulty oxygen sensor
- Faulty fuel pressure regulator
- Leaking fuel injector
- Vacuum leak
- Clogged air filter
- Dirty mass air flow sensor
If you are experiencing these codes, it is important to have your vehicle diagnosed and repaired by a qualified technician.
