p0174
Moderate
Genesis · Sedans
System Too Rich (Bank 2)
Quick Answer
Error code P0174 on your Genesis Sedans means: System Too Rich (Bank 2). This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
How to Fix It
1
Inspect and replace air filter if clogged
2
Test bank 2 oxygen sensor with scan tool
3
Check fuel pressure regulator for leaks
4
Clean or replace bank 2 fuel injectors
5
Inspect MAF sensor and clean if dirty
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Air filter
Oxygen sensor for bank 2
Fuel pressure regulator
Fuel injector
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