Acura RDX · Diagnostic Trouble Code

P0303 — Cylinder 3 Misfire Detected

Quick overview of P0303 on your Acura RDX. Read the full diagnosis guide, then find the repair guides for your vehicle below.

Read the full P0303 diagnosis guide →

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