2003 Infiniti M45: complaints, problems and recalls
Explore the records behind recurring owner reports.
Key facts
129 owner complaints analyzed
2 distinct recall campaigns
95,900 mi median reported failure mileage
Scope: 2003 model year. Data snapshot: . 111 complaints include usable failure mileage.
Most common problems
Fuel System, Gasoline is the most frequently named component, appearing in 65 of 129 complaints (50.4%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Engine operation | 37 | 28.7% |
| Fuel system concerns | 13 | 10.1% |
| Steering behavior | 8 | 6.2% |
| Braking behavior | 5 | 3.9% |
| Electrical and battery issues | 1 | 0.8% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Fuel System, Gasoline | 65 |
| Engine | 23 |
| Electrical System | 22 |
| Engine And Engine Cooling | 13 |
| Fuel System, Other:Storage:Fuel Gauge System | 6 |
| Fuel/Propulsion System | 6 |
| Fuel System, Other | 5 |
| Seats | 5 |
Fuel System, Gasoline: 65; Engine: 23; Electrical System: 22; Engine And Engine Cooling: 13; Fuel System, Other:Storage:Fuel Gauge System: 6; Fuel/Propulsion System: 6; Fuel System, Other: 5; Seats: 5
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 4 |
| 25,000 to 49,999 | 6 |
| 50,000 to 74,999 | 21 |
| 75,000 to 99,999 | 27 |
| 100,000 to 149,999 | 41 |
| 150,000 and above | 12 |
Under 25,000: 4; 25,000 to 49,999: 6; 50,000 to 74,999: 21; 75,000 to 99,999: 27; 100,000 to 149,999: 41; 150,000 and above: 12
100,000 to 149,999 miles has the most reports with usable mileage (41). 18 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2004 | 5 |
| 2005 | 1 |
| 2008 | 1 |
| 2010 | 21 |
| 2011 | 26 |
| 2012 | 36 |
| 2013 | 7 |
| 2014 | 8 |
| 2015 | 6 |
| 2016 | 8 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 3 |
| 2023 | 1 |
| 2024 | 1 |
2004: 5; 2005: 1; 2008: 1; 2010: 21; 2011: 26; 2012: 36; 2013: 7; 2014: 8; 2015: 6; 2016: 8; 2017: 3; 2018: 1; 2019: 1; 2020: 3; 2023: 1; 2024: 1
Pattern summary
Fuel System, Gasoline leads the component reports. Engine operation appears in 37 complaint narratives. Fuel system concerns appears in 13 complaint narratives. Steering behavior appears in 8 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Examples from the source records
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 10064352 · 2004-04-01 (April 1, 2004)
MICHELIN PILOT HX MXM4 ALL SEASON TIRES FAILED IN 1" WET SNOW CONDITION. MICHELIN ISREFUSING TO ACCEPT TIRES DO NOT WORK IN SNOW. THEY WERE SOLD AS ALL SEASON AND HAVE A M+S ON THE SIDE FOR MUD AND SNOW. MY CAR SLID OFF THE CROWN OF THE ROAD INTO THE GRASS. THE CONDITIONS WERE NOT ICY. ALL OF OUR OTHER CARS HAD NO TROUBLE. I WANT MICHELIN TO COMPENSATE ME FOR THE SNOW TIRES I HAD TO BUY AND INSTALL SO THAT I COULD DRIVE IN SNOW FO A TOTAL OF $800.*AK
Owner-reported narrative. Look up ODI 10064352 at NHTSA ↗
Owner report 10072980 · 2004-05-22 (May 22, 2004)
2003 INFINITI M45 CONSUMES 4 ML OF OIL AFTER ONLY 1000 MILES AND TOLD BY DEALERSHIO AND MANUFACTURER THAT THIS IS NORMAL.*AK
Owner-reported narrative. 21,000 miles reported. Look up ODI 10072980 at NHTSA ↗
Owner report 10081100 · 2004-07-15 (July 15, 2004)
VEHICLE CONSUMES 1 QUART OF MOTOR OIL EVERY 1000 MILES. IT CAUSES CARBON BUILDUP IN THE COMBUSTION CHAMBERS. I WAS TOLD I WOULD HAVE TO PAY TO GET THE CARBON CLEANED PERIODICALLY. VEHICLE HAS 24000 MILES AND IS STILL UNDER WARRANTY. MANUFACTURER SAYS THIS TYPE OF CONSUMPTION IS NORMAL AND DOES NOT WANT TO ANYTHING. SERVICE REP STATED THAT THEY ARE HAVING THE SAME ISSUES WITH ALL MODELS WITH THIS V8. *LA
Owner-reported narrative. 25,000 miles reported. Look up ODI 10081100 at NHTSA ↗
Owner report 10082770 · 2004-07-27 (July 27, 2004)
PURCHASED NEW INF. M45 WHEN CAR REACHED ABOUT 24000 MILES. I TOOK IT IN TO BE SERVICED. INFINITI SERVICE WAS UNABLE TO REPRODUCE PROBLEM. WOULD CALL ON SEVERAL OCCASIONS INFORMING DEALERSHIP THAT THEIR PRODUCT WAS DEFECTIVE. I FINALLY GOT TONS OF PROBLEMS (PERFORATED LEATHER SEATS HAD MESH COMING, CD CHANGER JAMMED, AC COMPRESSOR BUSTED, BELTS ON THE MOTOR HAD TO BE REPLACED, GLOVE BOX HAD TO BE READJUSTED, HOOD HAD TO BE READJUSTED TO STOP THE SQUEEKING WHEN CLOSING THE DOORS, FRONT WINDOW GUIDES AND STABILIZER-INNER DOOR HAD TO BE REPLACED…
Owner-reported narrative. 24,000 miles reported. Look up ODI 10082770 at NHTSA ↗
Owner report 10099849 · 2004-11-12 (November 12, 2004)
WHILE DRIVING EVERYTHING IN THE VEHICLE WAS COMPUTERIZED. CONSUMER HAD TO LOOK AT THE DASHBOARD WHERE THE NAVIGATION SYSTEM WAS TO DO ANYTHING IN THIS VEHICLE. CONSUMER STATED THAT HE HAD SEVERAL CLOSE CALLS WITH ACCIDENTS, A TOTAL OF TEN TIMES. *AK
Owner-reported narrative. Look up ODI 10099849 at NHTSA ↗
Owner report 10112010 · 2005-02-23 (February 23, 2005)
THE VEHICLE HAS AN UNSAFE OPERATING CHARACTERISTIC. WHEN CALLING FOR IMMEDIATE ACCELERATION, YOU GET NOTHING FOR SEVERAL SECONDS. IT HAS A SIGNIFICANT LAG IN THROTTLE RESPONSE, UP TO 4 SECONDS, WHICH WHEN LANE CHANGING OR MERGING CAUSES A SIGNIFICANT SAFETY PROBLEM. WE HAVE BEEN NEARLY REAR-ENDED ON SEVERAL OCCASIONS. *AK
Owner-reported narrative. 100 miles reported. Look up ODI 10112010 at NHTSA ↗
Owner report 10243537 · 2008-09-26 (September 26, 2008)
TL*THE CONTACT OWNS A 2003 INFINITI M45. ON APPROXIMATELY NINE OCCASIONS, THE VEHICLE WOULD COMPLETELY SHUT OFF AND SOMETIMES WOULD NOT RESTART. THE VEHICLE HAD TO BE TOWED TO THE DEALER APPROXIMATELY FOUR TIMES. THEY STATED THAT THE FAILURE COULD BE CAUSED BY THE SHIFT LOCK OR THE FUEL SYSTEM, BUT THERE WAS NO RESOLUTION. THE CURRENT MILEAGE WAS 50,300 AND FAILURE MILEAGE WAS 5,000.
Owner-reported narrative. 5,000 miles reported. Look up ODI 10243537 at NHTSA ↗
Owner report 10308445 · 2010-02-10 (February 10, 2010)
MY 2003 INFINITI M45 GAS GAUGE DOES NOT WORK CORRECTLY. THE GAUGE SHOWS MUCH MORE GAS THAN WHAT THE HAS IN IT. *TR
Owner-reported narrative. 89,101 miles reported. Look up ODI 10308445 at NHTSA ↗
Recall history
2 distinct campaigns affect this selection. Announcement dates below are different from vehicle model years. A campaign may cover multiple years.
03V455000 · Engine And Engine Cooling
Reported: 2003-11-17 (November 17, 2003)
ON CERTAIN PASSENGER VEHICLES, THE CIRCUIT BOARD FOR THE CRANK POSITION SENSOR OR CAM POSITION SENSOR MAY HAVE AN IMPROPER SOLDER JOINT DUE TO SOLDER DEFORMATION CAUSED BY HEAT STRESS ACCELERATED BY THE EXISTENCE OF FLUX RESIDUE DURING THE SOLDERING PROCESS.
Consequence: THIS COULD CAUSE THE "SERVICE ENGINE SOON" WARNING LIGHT TO COME ON, CREATE A NO START CONDITION, CAUSE REDUCED ENGINE POWER, OR CAUSE THE ENGINE TO STOP RUNNING WITHOUT WARNING DURING VEHICLE OPERATION, WHICH COULD RESULT IN A CRASH.
Remedy: DEALERS WILL REPLACE THE CRANK POSITION SENSORS. CAMSHAFT POSITION SENSOR(S), AND IN SOME CASES, THE VARIABLE TIMING CONTROL SENSOR(S). VEHICLES INVOLVED IN A PREVIOUS RECALL CAMPAIGN, 01V357, ARE ALSO INCLUDED IN THIS NEW CAMPAIGN. THE REPLACEMENT SENSORS USED IN THAT CAMPAIGN ARE ALSO AFFECTED. OWNER NOTIFICATION BEGAN ON DECEMBER 22, 2003. OWNERS SHOULD CONTACT NISSAN AT 1-800-647-7261 OR INFINITI AT 1-800-662-6200.
NHTSA campaign record ↗12V088000 · Fuel System, Gasoline
Reported: 2012-03-06 (March 6, 2012)
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.
Consequence: THE VEHICLE MAY STALL WITHOUT WARNING, INCREASING THE RISK OF A CRASH.
Remedy: NISSAN WILL NOTIFY OWNERS, AND DEALERS WILL MODIFY THE CIRCUIT BOARD FREE OF CHARGE. THE SAFETY RECALL BEGAN ON APRIL 27, 2012. OWNERS MAY CONTACT NISSAN CUSTOMER SERVICE AT 1-800-647-7261.
NHTSA campaign record ↗