System Too Rich (Bank 2)
9 articles · 6 makes affected
What is P0175?
System Too Rich (Bank 2). The fuel mixture is too rich on Bank 2, with excessive fuel delivery or restricted airflow.
Symptoms You May Notice
- ●Check engine light
- ●Poor fuel economy
- ●Black smoke from exhaust
- ●Rough idle
- ●Spark plug fouling
How to Fix It
- ●Replace MAF sensor ($150-$400, intermediate)
- ●Clean MAF sensor ($30-$80, beginner)
- ●Replace fuel injector(s) ($200-$800, intermediate)
- ●Replace O2 sensor ($100-$300, intermediate)
Most Effective Fixes
Based on 4 owner reports. Success rates show how often each fix resolved the issue.
Start with the highest success rate fix when diagnosing P0175. If that doesn't resolve the issue, work down the list.
Owner Statistics
Based on 40,611 real owner discussions • 1368 confirmed solutions
About This Data
Statistics are aggregated from real owner discussions on Reddit, automotive forums, and YouTube comments. All data is anonymized and represents actual repair experiences reported by vehicle owners.
Frequently Appears With
These codes often appear together in owner reports. Check these if you see P0175.
Based on analysis of 6 owner reports where multiple codes appeared together.