Acura RDX · Diagnostic Trouble Code

P0171 — System Too Lean (Bank 1)

Quick overview of P0171 on your Acura RDX. Read the full diagnosis guide, then find the repair guides for your vehicle below.

Read the full P0171 diagnosis guide →

General diagnostic information, not a factory service procedure. If you're unsure, have a qualified technician confirm the diagnosis before buying parts.