2003 Infiniti M45 Problems
The 2003 Infiniti M45 has 131 NHTSA complaints and 2 recalls, with fuel system issues dominating owner reports. Based on 131 real NHTSA owner complaints, with Fuel System the most reported area.
Before you buy
This 2003 Infiniti M45 has 131 NHTSA complaints — top issue: Fuel System.
A model-year pattern isn't the car in front of you. Check this exact VIN for accidents, open recalls, odometer rollback, and salvage titles.
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2003 Infiniti M45 Fuel Economy
✓ EPA Official DataEPA official fuel economy rating for the 2003 Infiniti M45.
Source: EPA FuelEconomy.gov. Figures reflect EPA lab testing; real-world results vary by driving style, load, and conditions.
2003 Infiniti M45 Safety Ratings
NHTSA 5-Star ProgramOfficial crash test results from the NHTSA 5-Star Safety Ratings program. Stars reflect government-conducted tests; higher is safer.
Overall
Not RatedFrontal Crash
Not RatedSide Crash
Not RatedRollover
Not RatedSource: NHTSA 5-Star Safety Ratings. Ratings are based on government crash tests and may not reflect all trim levels.
INFINITI M45 2003 has 131 NHTSA complaints, with 77 related to the fuel system and 41 to engine problems. Two recalls were issued. Buyers should inspect fuel and engine components before purchase. Source: NHTSA owner complaints and recall records.
- Make
- Infiniti
- Model
- M45
- Model year
- 2003
- NHTSA owner complaints
- 131
- Crash-related complaints
- 0
- Safety recall campaigns
- 2
- Top reported component
- Fuel System
- Reliability signal
- Minor Issues
- EPA MPG combined
- 18
- EPA MPG city / highway
- 16 / 22
- Fuel type
- Premium Gasoline
- Electronic stability control
- Standard
Common problems
Most common 2003 Infiniti M45 problems
Top owner-reported complaint areas and where they often appear.
Fuel System
Gasoline
Engine Problems
Complaint patterns center on Fuel System, Gasoline, Engine Problems. Use these as a pre-purchase inspection guide, then verify recall and damage history on the specific VIN.
Buyer verdict
Should you buy a used 2003 Infiniti M45?
The 2003 M45 may be worth considering only if you are prepared for potential fuel system and engine issues. The lack of crash complaints is positive, but the high complaint count warrants thorough inspection.
Fuel system and engine complaints can lead to costly repairs and safety concerns. Understanding these patterns helps avoid unexpected expenses.
May Suit
This year may suit a buyer willing to invest in maintenance and who prioritizes performance over reliability.
May Want to Avoid
Buyers seeking a trouble-free ownership experience or with a tight budget should avoid this year.
Pre-purchase
What to check before buying a used 2003 Infiniti M45
Inspection Focus
- Inspect fuel system components for leaks or failures.
- Check engine for performance issues or warning lights.
- Test all electrical systems, including lights and accessories.
Before You Close the Deal
- Have a mechanic inspect the fuel system thoroughly.
- Verify all open recalls at nhtsa.gov/recalls.
- Request service records for fuel and engine repairs.
- Test drive to check for engine hesitation or stalling.
Check the exact car
Shortlist with model-year data. Decide with the exact VIN.
Before buying a used 2003 Infiniti M45, run a VIN history report to verify accidents, title brands, odometer records, theft checks, and open recalls for the exact vehicle.
AI verdict
What the complaint data suggests
Editorial interpretation of NHTSA public complaint data. Source: nhtsa.gov. Complaints are owner-submitted and do not confirm a defect. Methodology
Based on NHTSA complaint data, the 2003 Infiniti M45 shows a high volume of fuel system complaints (77) and engine problems (41), with no crash-related complaints. The low confidence level means these patterns should be interpreted cautiously. Source: NHTSA owner complaints and recall records.
Year context: Only one model year is analyzed, so no comparison to other years is available.
Recall context: Two recalls indicate known issues that should be verified as repaired before purchase.
- Fuel system complaints total 77, the highest among all components.
- Engine problems account for 41 complaints.
- Electrical faults are reported in 22 complaints.
- Fuel System: 77 complaints, including gasoline-related issues (66).
- Engine Problems: 41 complaints.
- Electrical Faults: 22 complaints.
Full breakdown
All 2003 Infiniti M45 complaints by category
Every owner-reported complaint category filed with NHTSA for the 2003 Infiniti M45. Use this as a pre-purchase inspection checklist.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Fuel System | 77 | — | — | — | |
| Gasoline | 66 | — | — | — | |
| Engine Problems | 41 | — | — | — | |
| Electrical Faults | 22 | — | — | — | |
| Other | 11 | — | — | — | |
| Fuel/Propulsion System | 6 | — | — | — | |
| Seat-Related Issues | 5 | — | — | — | |
| Transmission / Drivetrain | 4 | — | — | — | |
| Airbag Malfunctions | 3 | — | — | — | |
| Structural Problems | 3 | — | — | — | |
| Uncategorized Issues | 2 | — | — | — | |
| Visibility | 2 | — | — | — | |
| Steering Defects | 2 | — | — | — | |
| Headlight/Taillight Failures | 2 | — | — | — | |
| Unintended Acceleration | 2 | — | — | — | |
| Equipment | 2 | — | — | — | |
| Equipment Adaptive/Mobility | 1 | — | — | — | |
| Electronic Stability Control (Esc) | 1 | — | — | — | |
| Suspension Failures | 1 | — | — | — | |
| Tire Issues | 1 | — | — | — |
Source: NHTSA Complaints Database. Complaint counts may exceed total complaints because one report can span multiple categories.
In their words
Real owner complaints
Read what owners actually reported to NHTSA for the 2003 Infiniti M45. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
The contact owns a 2003 Infiniti M45. The contact stated that on several occasions while driving at various speeds, the fuel gauge failed to read the fuel level correctly and the vehicle stalled. The vehicle was towed several times to a dealer and independent mechanic however, th…
The contact owns a 2003 Infiniti M45. The contact stated that the air bag warning light was illuminated. The vehicle was taken to the dealer for a diagnostic test. The contact stated that the driver’s side module needed to be replaced. The driver’s side air bag module was replace…
TRAVELING AT ABOUT 60 MPH ON A STATE ROUTE, THE CAR SHUT DOWN. NO POWER, NO DASH LIGHTS, INABILITY TO USE TURN SIGNALS TO INDICATE THE INTENTION OF CHANGING LANES TO THE RIGHT AND ONTO THE SIDE OF THE ROAD, WHICH NEARLY CAUSED A COLLISION AS THE CAR SLOWED TO CRAWL. ONCE PULLED…
TL* THE CONTACT OWNS A 2003 INFINITI M45. THE CONTACT STATED THAT WHILE OPERATING THE VEHICLE THE FUEL GAUGE INDICATED THE FUEL TANK WAS FULL AT ALL TIMES. THE VEHICLE RAN OUT OF FUEL DUE TO THE FAILURE. THE CAUSE OF THE FAILURE WAS NOT DETERMINED. THE LOCAL DEALER BENNETT INFINI…
I AM THE OWNER OF A WHITE 2003 INFINITI M45. A FEW YEARS AGO, I NOTICED A SMALL CHIP RIGHT ABOVE HE WINDSHIELD ON THE ROOF OF THE CAR. I CONTACTED INFINITI BACK THEN TO SEE IF THERE WERE ANY RECALLS, BUT THERE WERE NOT. AT THIS POINT, THERE IS NO PAINT COVERING THE TOP OF THE …
2003 INFINITI M45 WITH APPROXIMATELY 106,000 MILES. CAR WILL STALL SUDDENLY AT HIGHWAY OR CITY ROAD SPEEDS NECESSITATING PUTTING CAR INTO NEUTRAL OR PULLING OVER TO RESTART. PREVIOUSLY, AFTER THIS HAD HAPPENED, A CODE FOR FAULTY CRANKSHAFT POSITION SENSOR WAS RECOVERED, AND BOT…
TL* THE CONTACT OWNS A 2003 INFINITI M45. WHILE STATIONARY AND WHILE DRIVING VARIOUS SPEEDS,THE VEHICLE STALLED WITHOUT WARNING ON SEVERAL OCCASIONS. THE CONTACT STATED THAT THERE WAS A COMPLETE LOSS OF POWER. THE CONTACT COASTED THE VEHICLE TO THE SIDE OF THE ROAD AND WAS ABLE T…
TL* THE CONTACT OWNS A 2003 INFINITI M45. WHILE DRIVING THE VEHICLE, THE CHECK ENGINE INDICATOR ILLUMINATED AND THE VEHICLE STALLED. THE VEHICLE WAS TAKEN TO THE DEALER, BUT WAS NOT DIAGNOSED OR REPAIRED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO DIAGNOSED THAT THE CRA…
WHEN IN MOTION THE ENGINE STALL WITHOUT WARNING
THE BRACKET ON THE LEFT SIDE OF THE DRIVERS FRONT SEAT HAS BROKEN. THE SEAT NOW SAGS SEVERAL INCHES IN THE LEFT/ REAR SIDE. THIS IS PLACING SUBSTANTIALLY MORE STRESS ON THE RIGHT SIDE'S BRACKET. THIS BRACKET FAILED WHILE DRIVING THE CAR. *TR
TL* THE CONTACT OWNS A 2003 INFINITI M45. WHILE DRIVING VARIOUS SPEEDS, THE VEHICLE SHUT OFF WITHOUT WARNING, PRECEDED BY THE DYNAMIC CONTROL INDICATORS ILLUMINATING. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE CRANK SENSOR WAS DEFECTIVE, BUT …
TL* THE CONTACT OWNS A 2003 INFINITI M45. THE CONTACT STATED THAT THE FUEL GAUGE INACCURATELY DISPLAYED THAT THE FUEL TANK WAS FULL. AS A RESULT, THE VEHICLE STALLED DUE TO INSUFFICIENT FUEL IN THE VEHICLE. THE FAILURE RECURRED MULTIPLE TIMES. THE VEHICLE WAS NOT DIAGNOSED OR REP…
WHILE I WAS DRIVING THIS VEHICLE, IT HAD SHUT OFF WHILE I WAS DRIVING AND I LOST ALL POWER. IT STARTED BACK UP LIKE NORMAL. THIS HAS HAPPENED TWICE AND I'M AFRAID THIS COULD HAPPEN WHILE I'M ON THE HIGHWAY WITH MY FAMILY. I SEE THERE WAS A RECALL INVOLVING THIS BUT NOT FOR MY VE…
WHILE LEAVING AN ENTRANCE RAMP TO MERGE ONTO THE INTERSTATE, THE VEHICLE SUFFERED A COMPLETE AND TOTAL ENGINE POWER LOSS ALONG WITH ITS POWER STEERING AND POWER BRAKING FUNCTIONS. AFTER THIS FAILURE, THE VEHICLE WOULD CRANK BUT NOT START, LEAVING IT STRANDED. THERE IS CURRENTLY A…
TL* THE CONTACT OWNS A 2003 INFINITI M45. WHILE DRIVING 70 MPH, THE VEHICLE STALLED WITHOUT WARNING. THE CONTACT WAS ABLE TO RESTART THE VEHICLE. THE VEHICLE WAS TAKEN TO THE DEALER TO BE DIAGNOSED. THE CONTACT WAS INFORMED THAT THE CRANK SHAFT AND CAM SHAFT SENSOR NEEDED TO BE R…
TL* THE CONTACT OWNS A 2003 INFINITI M45. THE CONTACT STATED THAT THE VEHICLE RANDOMLY STALLED WITHOUT WARNING. THE MANUFACTURER AND THE DEALER INDICATED THAT THE VEHICLE WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBERS: 12V088000 (FUEL SYSTEM, GASOLINE) AND 03V455000 (ENGINE AND ENGIN…
WHILE TURNING LEFT WITH ON COMING TRAFFIC THE ENGINE DIED. THE CHECK ENGINE LIGHT CAME ON AND THE COMMUNICATIONS CENTER SAID IT WAS EMISSIONS RELATED. THE CAR DID RESTART, THE WARNING LIGHT REMAINS ON, AND AFTER A SHORT DRIVE THERE WAS A BURNING SMELL AND HEAT COMING FROM THE C…
TL* THE CONTACT OWNS A 2003 INFINITI M45. THE CONTACT STATED THAT WHILE DRIVING AT APPROXIMATELY 15 MPH, THE ENGINE STALLED WITHOUT WARNING. AFTER WAITING FIFTEEN MINUTES, THE VEHICLE WAS RESTARTED AND RESUMED NORMALLY. THE FAILURE RECURRED TWO TIMES. ON TWO SEPARATED OCCASIONS, …
TL* THE CONTACT OWNS A 2003 INFINITI M45. WHILE DRIVING AT APPROXIMATELY 30 MPH, THE ENGINE STALLED WITHOUT WARNING. THE VEHICLE WAS ABLE TO RESTART. THE FAILURE RECURRED SEVERAL TIMES. THE VEHICLE WAS TAKEN TO A DEALER WHERE THE FAILURE WAS UNDETERMINED. THE VEHICLE WAS NOT REPA…
I WAS DRIVING ON THE HIGHWAY AND ALL OF A SUDDEN MY CAR STALLED WITHOUT WARNING. SHORTLY AFTER THE SERVICE ENGINE LIGHT CAME ON. THE CAR RESTARTED ONLY TO DO THAT AGAIN THE NEXT DAY. IT DID IT ANOTHER TIME AND DIDN'T RESTART. HAD IT REPAIRED BY AND INDEPENDENT MECHANIC. 6MONTHS L…
Source: NHTSA Complaints Database. Real owner reports for the 2003 Infiniti M45.
Safety recalls
2003 Infiniti M45 recalls
2 campaignsNHTSA recall campaigns for the 2003 Infiniti M45. Two recalls indicate known issues that should be verified as repaired before purchase. Recalls are free to fix at authorized dealers, but completion status must be verified on the exact VIN.
FUEL SYSTEM, GASOLINE
ENGINE AND ENGINE COOLING
Research more
Keep researching before you buy
Compare brands and categories, then check the exact car's history by VIN.
Questions
2003 Infiniti M45 buying FAQ
Buyer-focused answers based on real NHTSA complaint and recall data for this model year.
Is the 2003 Infiniti M45 reliable?▾
Minor Issues. NHTSA currently shows 131 owner complaints, 0 crash-related complaints, and 2 recall campaigns for this model year. The 2003 M45 may be worth considering only if you are prepared for potential fuel system and engine issues. The lack of crash complaints is positive, but the high complaint count warrants thorough inspection. Treat this as a model-year signal, then verify the exact vehicle's condition and history before purchase.
What are the most common problems with the 2003 Infiniti M45?▾
#1: Fuel System (77 complaints). #2: Gasoline (66 complaints). #3: Engine Problems (41 complaints)
At what mileage do problems start on the 2003 Infiniti M45?▾
Mileage data is not available or insufficient for this model year.
How safe is the 2003 Infiniti M45?▾
Complaint data is not the same as crash-test scoring, but it does highlight possible risk patterns. For the 2003 Infiniti M45, NHTSA complaints include 0 crash-related reports and 0 fire reports out of 131 total complaints. For controlled crash-test ratings, check nhtsa.gov/ratings.
Does the 2003 Infiniti M45 have any recalls?▾
Yes. 2 NHTSA recall campaigns affect the 2003 Infiniti M45. A major recall area is FUEL SYSTEM, GASOLINE. Two recalls indicate known issues that should be verified as repaired before purchase. Always verify open recalls by VIN because completion status varies by vehicle.
Should I buy a 2003 Infiniti M45?▾
The 2003 M45 may be worth considering only if you are prepared for potential fuel system and engine issues. The lack of crash complaints is positive, but the high complaint count warrants thorough inspection. Fuel system and engine complaints can lead to costly repairs and safety concerns. Understanding these patterns helps avoid unexpected expenses. Pay extra attention to Fuel System during inspection. Before committing, run a VIN history report to verify accidents, title brands, odometer records, and recall completion for the exact car.
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinSpector AI.
Wider context: See the full Infiniti M45 reliability report with year-by-year comparison.
Owner Reliability Rating
Rate the 2003 Infiniti M45 based on your ownership experience.
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Ratings are based on owner experience and are separate from NHTSA data shown above.
Before you buy
Check the exact vehicle history before you buy
Model-year complaints and recalls reveal patterns. A VIN report confirms whether the exact car has accident history, title brands, mileage issues, or open recalls.