p0174
Moderate
Volvo · SUVs
System Too Lean (Bank 2)
Quick Answer
Error code P0174 on your Volvo 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
Scan vehicle with OBD-II scanner
2
Check oxygen sensor on bank 2
3
Inspect for vacuum leaks
4
Test fuel pressure
5
Clean fuel injectors
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
fuel filter
vacuum hose
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