Pre-purchase inspection checklist — 2003 Infiniti M45
The 2003 Infiniti M45 has significant issues with the fuel gauge and circuit board failures, leading to possible engine or fuel system malfunctions. Inspect engine and electrical connections closely, and verify fuel gauge function, as problems in these areas are common.
NHTSA data on file today
The 2003 Infiniti M45 has 2 NHTSA recall campaigns and 129 owner complaints on file as of . Recall data is refreshed daily from NHTSA.
Recall campaigns on file
- NHTSA #12V088000 FUEL GAUGE NHTSA notice
- NHTSA #03V455000 NISSAN/CRANK/CAM POSITION SENSOR WELD NHTSA notice
Most-cited components in owner complaints
- Fuel System, Gasoline 65 complaints
- Engine 23 complaints
- Electrical System 22 complaints
- Engine and Engine Cooling 18 complaints
- Fuel System, Other 11 complaints
- Fuel/Propulsion System 6 complaints
Known issues to inspect
Faulty crank sensor connection
How to check: Inspect sensor for secure connection and proper function.
Improper solder in sensors
How to check: Check for correct sensor function, no error lights.
Heat-stressed circuit boards
How to check: Look for signs of damage or overheating.
Inaccurate fuel gauge reading
How to check: Verify gauge accuracy by comparing to odometer.
Test-drive walkthrough
- 01
Cold start
What to check: Listen for irregular engine noises or failure.
Red flag: Engine struggles to start.
- 02
First minute idling
What to check: Observe for any dashboard warning lights.
Red flag: Check engine or sensor light on.
- 03
City driving
What to check: Monitor fuel gauge for erratic changes.
Red flag: Fuel gauge drops unexpectedly.
- 04
Highway acceleration
What to check: Ensure smooth acceleration without stuttering.
Red flag: Engine hesitates or misfires.
- 05
Parking
What to check: Check for leaks or fuel smells in engine compartment.
Red flag: Strong gasoline odor or visible leak.
Questions for the seller
Use this exact phrasing.
- Has the fuel gauge issue been fixed?
- Any repairs on crank or cam sensors?
- Any history of electrical problems?
- When was the last service done?
- Have there been any engine repairs?
Documents to request
Don't sign anything until you have these.
- Recent service records
- Recall repair receipts
- Vehicle history report
- Warranty documents (if any)
Generated by gpt-4o on from the NHTSA recall campaigns and owner-complaint counts on file for the 2003 Infiniti M45 at the time. AI output can be wrong; confirm anything you find with a mechanic.
Next step
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