2003 Infiniti M45
Common problems & what to know before you buy
Before you message the seller, know the documented failure patterns, repair cost exposure, and risk level for the 2003 Infiniti M45.
Recalls on the 2003 Infiniti M45
Fuel system
DUE TO A CIRCUIT BOARD FAILURE, THE FUEL GAUGE MAY READ A FUEL LEVEL HIGHER THAN ACTUALLY EXISTS.
Engine and engine cooling
ON CERTAIN PASSENGER VEHICLES, THE CIRCUIT BOARD FOR THE CRANK POSITION SENSOR OR CAM POSITION SENSOR MAY HAVE AN IMPROPER SOLDER JOINT DUE…
Source: NHTSA
What 131 owners reported
Source: NHTSA
2003 Infiniti M45 at a glance
- Engine
- 4.5L 8-Cylinder
- Transmission
- Automatic 5-spd
- Drivetrain
- RWD
- Fuel
- Gasoline
- Body style
- Sedan
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Frequently asked questions
What are the common problems with the 2003 Infiniti M45?
Owners have filed 131 complaints about the 2003 Infiniti M45 with NHTSA, most often about the fuel system. There are 2 recall campaigns covering this model year. Squeezed's free research-backed buyer guide cross-references these against documented failure patterns and mileage-stage risks, sorted by severity, in about a minute.
Is the 2003 Infiniti M45 reliable?
Reliability depends heavily on the specific configuration and how the car was maintained. Start with the 2 open recall campaigns on this model year and confirm the work was completed. Generate a Squeezed buyer guide for this exact vehicle to see a reliability snapshot, repair-cost exposure, and the questions to ask the seller before you buy.
Should I still get a pre-purchase inspection on a 2003 Infiniti M45?
Always. A Squeezed buyer guide is the triage step before the inspection: it shows you the documented failure patterns and what to check so you can decide which 2003 Infiniti M45 listings are even worth a mechanic's time, then walk into the PPI knowing exactly what to look for.
Squeezed is a buyer guide based on public data and industry patterns, not a mechanical inspection. Always get a professional pre-purchase inspection before you buy.