p0174
Moderate
Genesis · SUVs
System Too Lean (Bank 2)
Quick Answer
Error code P0174 on your Genesis SUVs means: System Too Lean (Bank 2). This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Connect OBD-II scanner and read stored codes
2
Inspect bank 2 oxygen sensor operation
3
Check for intake vacuum leaks
4
Verify fuel system pressure
5
Test fuel injector resistance
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
Oxygen sensor (bank 2)
Fuel injector
Vacuum hose seal kit
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