Pre-purchase inspection checklist — 2002 Infiniti Q45
The 2002 Infiniti Q45 has a notable recall related to engine sensors, which may cause starting issues or stalling. The vehicle also has a few complaints regarding engine cooling, electrical systems, and wheels. Potential buyers should pay close attention to these areas during inspection and consider addressing the recall before purchase.
Known issues to inspect
Crank/cam sensor failure
How to check: Verify recall repair for crank and cam sensors.
Engine cooling problems
How to check: Check for any overheating signs or coolant leaks.
General electrical issues
How to check: Test all electronics and check for unusual noises.
Test-drive walkthrough
- 01
Cold start
What to check: Check for any starting problems or warning lights.
Red flag: Hard start or error lights on dash
- 02
First minute idling
What to check: Listen for irregular idling noises.
Red flag: Rough or unstable idle
- 03
City driving
What to check: Feel for smooth gear shifting.
Red flag: Harsh or jerky gear changes
- 04
Highway acceleration
What to check: Observe engine response and power delivery.
Red flag: Poor acceleration or hesitations
- 05
Braking test
What to check: Test for smooth and quiet braking.
Red flag: Squealing or vibrating brakes
Questions for the seller
Use this exact phrasing.
- Has the crank/cam sensor recall been addressed?
- Any recent engine cooling system repairs?
- Are there any known electrical problems?
- Do the airbags have any issues?
- Have the wheels been checked recently for alignment?
Documents to request
Don't sign anything until you have these.
- Proof of recall repairs
- Recent maintenance records
- Vehicle history report
- Title and registration
- Previous owner information
Generated by gpt-4o on 8/20/2026. Grounded in the NHTSA recall corpus and owner-complaint patterns for the 2002 Infiniti Q45.