DTC P0175 — System Too Rich (Bank 2)
P0175 indicates: System Too Rich (Bank 2).
Diagnostic summary
P0175
What it means
System Too Rich (Bank 2)
Can you drive?
⚠️ Drive with caution
Urgency
Medium 5/10
Typical price
$50 – $500
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Updated May 7, 2026 Seen on Powertrain
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ℹ️ What does it mean?
System Too Rich (Bank 2)
🔍 Symptoms
- • Check Engine Light on
- • Reduced engine performance
- • Increased fuel consumption
- • Unusual engine behavior
⚠️ Possible Causes
- ⚠ Leaking injector
- ⚠ Faulty FPR
- ⚠ Dirty air filter
- ⚠ O2 sensor fault
🚗 Can I drive with this code?
Drive with caution
Drive with caution. Schedule a repair soon.
🔧 How to Diagnose
- 1 Read DTCs with OBD-II scanner
- 2 Check freeze frame data
- 3 Inspect related components
- 4 Clear codes and test drive
🛠️ How to Fix
- 1 Replace injector
- 2 Replace FPR
- 3 Replace air filter
- 4 Replace O2 sensor
💰 Estimated Repair Cost
Repair cost by car / region
Early rough estimate. Accuracy improves as more real repair stories are added.
DIY / parts$18 – $325
Mechanic / labor$23 – $375
Repair range$50 – $500
❓ FAQ
What does P0175 mean?
System Too Rich (Bank 2)
How serious is P0175?
Severity: medium. Drive with caution. Schedule a repair soon.
How much does it cost to fix P0175?
Estimated repair cost: $50–$500 depending on vehicle and region.
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