p0171
Moderate
Kia · SUVs
System Too Lean (Bank 1)
Quick Answer
Error code P0171 on your Kia SUVs means: System Too Lean (Bank 1). This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
KX9EV9 GT-Line 2024EV9 Light 2024EV9 Wind 2024Seltos EX 2024Seltos LX 2024Seltos S 2024Seltos SX 2024Sorento EX 2024Sorento LX 2024Sorento S 2024Sorento SX 2024Sorento SX Prestige 2024Sorento X-Line 2024Sportage EX 2024Sportage LX 2024Sportage SX Prestige 2024Sportage X-Line 2024Sportage X-Pro 2024Telluride EX 2024Telluride LX 2024Telluride S 2024Telluride SX 2024Telluride SX Prestige 2024Telluride X-Line 2024Telluride X-Pro 2024AP3AP3-EKX2MQ4MQ4-HPSKMKM-HKX
Likely Causes
How to Fix It
1
Read diagnostic trouble codes
2
Inspect fuel system pressure
3
Test oxygen sensor voltage
4
Check for air leaks in intake
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
Air filter
Related Error Codes