2003 Infiniti M45 Problems

Severe Issues

Real NHTSA owner complaints for the 2003 Infiniti M45.

< older2004
Complaints
178
Crashes
0
Fires
0
Injuries
0
Fatalities
Recalls
1

Worst 2003 Infiniti M45 Problems

Top 3 most-reported issues with average mileage at failure.

#165 complaints

Gasoline Fuel System

Avg mileage:83,237 mi
#223 complaints

Engine Problems

Avg mileage:135,828 mi
#322 complaints

Electrical Faults

Avg mileage:102,692 mi
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All Problems by Category

Every NHTSA complaint category for the 2003 Infiniti M45.

Gasoline Fuel System
65
complaints
Crashes
Fires
Avg Miles
83,237
Engine Problems
23
complaints
Crashes
Fires
Avg Miles
135,828
Electrical Faults
22
complaints
Crashes
Fires
Avg Miles
102,692
Engine & Cooling
13
complaints
Crashes
Fires
Avg Miles
98,239
Fuel System, Other:Storage:Fuel Gauge System
6
complaints
Crashes
Fires
Avg Miles
94,190
Fuel System
6
complaints
Crashes
Fires
Avg Miles
174,575
Fuel System, Other
5
complaints
Crashes
Fires
Avg Miles
63,288
Seat-Related Issues
5
complaints
Crashes
Fires
Avg Miles
93,414
Engine And Engine Cooling:Engine
4
complaints
Crashes
Fires
Avg Miles
Transmission / Drivetrain
4
complaints
Crashes
Fires
Avg Miles
Airbags
2
complaints
Crashes
Fires
Avg Miles
Steering Defects
2
complaints
Crashes
Fires
Avg Miles
Structural Problems
2
complaints
Crashes
Fires
Avg Miles
Air Bags:Side/Window
1
complaints
Crashes
Fires
Avg Miles
Electronic Stability Control
1
complaints
Crashes
Fires
Avg Miles
Engine And Engine Cooling:Engine:Gasoline:Belts And Associated Pulleys
1
complaints
Crashes
Fires
Avg Miles
Engine And Engine Cooling:Exhaust System:Emission Control
1
complaints
Crashes
Fires
Avg Miles
Equipment Adaptive/Mobility
1
complaints
Crashes
Fires
Avg Miles
Equipment:Appliance:Air Conditioner
1
complaints
Crashes
Fires
Avg Miles
Equipment:Electrical:Navigational System(Global Positioning System)
1
complaints
Crashes
Fires
Avg Miles
Equipment:Electrical:Radio/Tape Deck/Cd Etc.
1
complaints
Crashes
Fires
Avg Miles
Headlight/Taillight Failures
1
complaints
Crashes
Fires
Avg Miles
Body Structure
1
complaints
Crashes
Fires
Avg Miles
Structure:Body:Hood
1
complaints
Crashes
Fires
Avg Miles
Suspension:Front:Stabilizer Bar
1
complaints
Crashes
Fires
Avg Miles
Tire Defects
1
complaints
Crashes
Fires
Avg Miles
Unintended Acceleration
1
complaints
Crashes
Fires
Avg Miles
Vehicle Speed Control:Accelerator Pedal
1
complaints
Crashes
Fires
Avg Miles
Side/Rear Glass
1
complaints
Crashes
Fires
Avg Miles

Search Owner Complaints

Read what owners actually reported to NHTSA for the 2003 Infiniti M45. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.

Recalls for 2003 Infiniti M45

1 NHTSA recall campaign affecting ~8,120 vehicles.

12V088000Gasoline Fuel System
~8,120 affected

NISSAN IS RECALLING CERTAIN MODEL YEAR 2003-2004 INFINITI M45 VEHICLES MANUFACTURED FROM MARCH 7, 2002, THROUGH JUNE 3, 2004. DUE TO A CIRCUIT BOARD FAILURE, THE FUEL GAUGE MAY READ A FUEL LEVEL HIGHER THAN ACTUALLY EXISTS. AS A RESULT, THE VEHICLE MAY RUN OUT OF GAS WITHOUT NOTICE.

Other Infiniti M45 Years

2003 Infiniti M45 — FAQ

Answers based on real NHTSA complaint and recall data for this specific model year.

Is the 2003 Infiniti M45 reliable?
Verdict: Severe Issues. The 2003 Infiniti M45 has 178 NHTSA complaints, 0 crash-related, and 1 recall campaign. The most common issue is Gasoline Fuel System with 65 complaints. Source: NHTSA via VinItel.
What are common problems with the 2003 Infiniti M45?
Top reported problems: Gasoline Fuel System (65 complaints, avg 83,237 mi); Engine Problems (23 complaints, avg 135,828 mi); Electrical Faults (22 complaints, avg 102,692 mi). Every complaint is filed by an owner with NHTSA — this is raw reported data, not editorial opinion.
At what mileage do problems start on the 2003 Infiniti M45?
The weighted average mileage at time of complaint is about 99,772 miles. Some components fail earlier, some later — check the "All Problems by Category" table above for per-issue averages.
Does the 2003 Infiniti M45 have any recalls?
Yes — 1 NHTSA recall campaign affecting an estimated 8,120 vehicles. Recalls are free to fix at the dealer. Always verify by VIN whether the specific car you're looking at has had its recalls addressed.
Should I buy a 2003 Infiniti M45?
Proceed with extreme caution. The 2003 Infiniti M45 shows significantly more complaints than average for its class. If you're buying one, a pre-purchase inspection and a VIN history check are essential — skip them and you're gambling.

Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinItel.

Wider context: See the full Infiniti M45 reliability report with year-by-year comparison and generation analysis.

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