P0175
System Too Rich Bank 2
P0175 is an OBD-II diagnostic trouble code meaning: System Too Rich Bank 2. Common causes: oxygen sensor malfunction (bank 2), fuel leakage (for example due to leaking injectors). Estimated repair cost: $56–167.
Symptoms
- Increased fuel consumption
- Black smoke from the exhaust pipe
- Unstable engine operation
- Power Loss
Causes
- Oxygen sensor malfunction (bank 2)
- Fuel leakage (for example due to leaking injectors)
- Dirty or faulty air flow sensor
- Problems with the EVAP system
- Absolute pressure (MAP) sensor malfunction
- Clogged air filter
How to Fix
- Check and replace faulty oxygen sensor (bank 2)
- Check the tightness of the fuel injectors
- Clean or replace the mass air flow sensor
- Check EVAP system for leaks
- Check and replace MAP sensor if necessary
- Replace the air filter
Related codes
Error P0175 by Vehicle Brand
FAQ
What does the P0175 code mean?
P0175 is an OBD-II diagnostic trouble code that indicates: System Too Rich Bank 2
What causes a P0175 error code?
The most common causes of P0175 include: Oxygen sensor malfunction (bank 2); Fuel leakage (for example due to leaking injectors); Dirty or faulty air flow sensor; Problems with the EVAP system.
How do I fix a P0175 diagnostic trouble code?
To fix P0175: Check and replace faulty oxygen sensor (bank 2). Check the tightness of the fuel injectors. Clean or replace the mass air flow sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0175?
Limited driving only, diagnose soon
How much does it cost to fix P0175?
The estimated repair cost for P0175 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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