p0174
Moderate
Dodge · SUVs
System Too Lean (Bank 2)
Quick Answer
Error code P0174 on your Dodge SUVs means: System Too Lean (Bank 2). This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
How to Fix It
1
Scan with OBD2 to confirm P0174 code
2
Inspect for vacuum leaks
3
Test Bank 2 oxygen sensor
4
Clean or replace MAF sensor
5
Verify fuel pressure and injector operation
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
MAF sensor
Vacuum hoses
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