Pre-purchase inspection checklist — 2003 Infiniti Fx
The 2003 Infiniti FX shows limited known issues, primarily related to the fuel system. No major recalls have been recorded, but some owner complaints focus on fuel leakage issues. While generally reliable as a used car, ensure detailed inspection of the fuel components before purchase.
Known issues to inspect
Potential fuel leakage
How to check: Inspect fuel lines and connectors for leakage signs.
Test-drive walkthrough
- 01
Cold start
What to check: Ensure smooth start without excessive cranking.
Red flag: Engine struggles or sputters
- 02
First minute idling
What to check: Listen for unusual noises or vibrations.
Red flag: Loud knocking or ticking sounds
- 03
City driving
What to check: Monitor fuel gauge for erratic movement.
Red flag: Fuel gauge behaves inconsistently
- 04
Highway acceleration
What to check: Check for smooth acceleration and power response.
Red flag: Hesitation or jerking during acceleration
- 05
Parking
What to check: Check for fuel odor around the vehicle.
Red flag: Strong fuel smell indicating possible leak
Questions for the seller
Use this exact phrasing.
- Has the fuel system been inspected?
- Any history of fuel leakage issues?
- Were any recalls addressed?
- How often was the oil changed?
- Any recent repairs on the vehicle?
Documents to request
Don't sign anything until you have these.
- Vehicle maintenance records
- Proof of recent fuel system inspection
- Title and registration documents
- Recall repair paperwork
Generated by gpt-4o on 8/20/2026. Grounded in the NHTSA recall corpus and owner-complaint patterns for the 2003 Infiniti Fx.