Volvo XC90 · Diagnostic Trouble Code
P0171 — System Too Lean (Bank 1)
Quick overview of P0171 on your Volvo XC90. Read the full diagnosis guide, then find the repair guides for your vehicle below.
Repair guides that fix P0171
General diagnostic information, not a factory service procedure. If you're unsure, have a qualified technician confirm the diagnosis before buying parts.