2004 Infiniti M45 problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
43 owner complaints analyzed
2 distinct recall campaigns
83,159 mi median reported failure mileage
Scope: 2004 model year. Data snapshot: . 42 complaints include usable failure mileage.
Most common problems
Fuel System, Gasoline is the most frequently named component, appearing in 23 of 43 complaints (53.5%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Engine operation | 11 | 25.6% |
| Fuel system concerns | 7 | 16.3% |
| Electrical and battery issues | 3 | 7.0% |
| Braking behavior | 1 | 2.3% |
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 | 23 |
| Engine | 7 |
| Electrical System | 5 |
| Fuel System, Other:Storage:Fuel Gauge System | 4 |
| Fuel System, Other | 3 |
| Seats | 3 |
| Air Bags:Frontal | 1 |
| Air Bags:Side/Window | 1 |
Fuel System, Gasoline: 23; Engine: 7; Electrical System: 5; Fuel System, Other:Storage:Fuel Gauge System: 4; Fuel System, Other: 3; Seats: 3; Air Bags:Frontal: 1; Air Bags:Side/Window: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 2 |
| 25,000 to 49,999 | 3 |
| 50,000 to 74,999 | 13 |
| 75,000 to 99,999 | 11 |
| 100,000 to 149,999 | 9 |
| 150,000 and above | 4 |
Under 25,000: 2; 25,000 to 49,999: 3; 50,000 to 74,999: 13; 75,000 to 99,999: 11; 100,000 to 149,999: 9; 150,000 and above: 4
50,000 to 74,999 miles has the most reports with usable mileage (13). 1 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 |
|---|---|
| 2009 | 1 |
| 2010 | 13 |
| 2011 | 8 |
| 2012 | 12 |
| 2013 | 5 |
| 2014 | 1 |
| 2015 | 3 |
2009: 1; 2010: 13; 2011: 8; 2012: 12; 2013: 5; 2014: 1; 2015: 3
Pattern summary
Fuel System, Gasoline leads the component reports. Engine operation appears in 11 complaint narratives. Fuel system concerns appears in 7 complaint narratives. Electrical and battery issues appears in 3 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.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 10369584 · 2010-12-08 (December 8, 2010)
MY 2004 INFINITI M45'S FUEL GAUGE READS AT OR ABOVE TANK OF GAS WHEN THERE IS NO FUEL RESULTING IN A STALL. PROBLEM STARTED AT AROUND 59K MILES BUT WAS OUT OF WARRANTY DUE TO AGE. I CURRENTLY HAVE 72K MILES ON THE CAR AND HAVE TO RESET THE TRIP COUNTER AS THE FUEL GAUGE IS USELESS. THE INFINITI DEALER IN GWINNETT COUNTY GEORGIA HAD THE CAR TWICE BUT WAS UNABLE TO DIAGNOSE THE PROBLEM. INFINITI CONSUMER AFFAIRS HAS REFUSED ANY ASSISTANCE BECAUSE THE DEALER CAN'T IDENTIFY THE ROOT CAUSE. FROM MY RESEARCH MY BEST GUESS WOULD BE THE GAUGE CLUSTER,…
Owner-reported narrative. 59,000 miles reported. Look up ODI 10369584 at NHTSA ↗
Owner report 10373992 · 2011-01-03 (January 3, 2011)
TL* THE CONTACT OWNS A 2004 INFINITI M45. THE CONTACT STATED THAT WHILE DRIVING 60 MPH, THE FUEL LEVEL GAUGE DISPLAYED A GASOLINE LEVEL READING OF ONE HALF FULL YET THE VEHICLE STALLED DUE TO LACK OF FUEL. THE CONTACT TOOK THE VEHICLE TO A DEALER AND THE DEALER STATED THAT THE FUEL GAUGE WOULD NEED TO BE REPLACED. THE MANUFACTURER STATED THAT SINCE THE VEHICLE WAS NO LONGER UNDER WARRANTY, THE CONTACT WAS RESPONSIBLE FOR THE REPAIRS. THE CONTACT NOTICED NUMEROUS COMPLAINTS REGARDING THE DEFECTIVE FUEL GAUGE ONLINE BUT THE MANUFACTURER HAD NOT I…
Owner-reported narrative. 73,500 miles reported. Look up ODI 10373992 at NHTSA ↗
Owner report 10316666 · 2010-03-04 (March 4, 2010)
TL*THE CONTACT OWNS A 2004 INFINITI M45. WHEN THE CONTACT ADDED FUEL TO THE GAS TANK HE NOTICED THAT THE FUEL GAUGE WOULD CONSTANTLY FLUCTUATE WITHOUT GIVING THE DRIVER AN ACCURATE READING. THE VEHICLE WAS TAKEN TO THE DEALERSHIP WHERE THE CONTACT WAS INFORMED THAT THE FUEL SENDING UNIT NEEDED TO BE REPLACED. THERE WERE NO PRIOR WARNINGS AND THE CURRENT AND FAILURE MILEAGES WERE 80000.
Owner-reported narrative. 80,000 miles reported. Look up ODI 10316666 at NHTSA ↗
Owner report 10318987 · 2010-03-11 (March 11, 2010)
ON FEBRUARY 28, 2010, MY 2004 INFINITY M45 GAS GAUGE READ THAT I HAD A LITTLE OVER A 1/4 TANK OF GAS. AS WAS DRIVING DOWN MATHILDA AVENUE IN SUNNYVALE I BEGAN TO NOTICE THAT MY VEHICLE WAS SPUTTERING. I MANAGED TO GET ONTO EL CAMINO REAL AND LUCKILY WAS ABLE TO PULL OVER. UNFORTUNATELY, I COASTED TO THE RIGHT CURB IN A BUS STOP AREA. I WAS VERY LUCKY THAT I WAS NOT HIT BY ANOTHER VEHICLE AS MY VEHICLE WAS BARELY ABLE TO COAST TO THE CURB. MY HUSBAND ARRIVED WITH A GAS CAN AND POURED GAS INTO THE FUEL TANK AND THE CAR STARTED. I CAL…
Owner-reported narrative. 87,000 miles reported. Look up ODI 10318987 at NHTSA ↗
Owner report 10322403 · 2010-03-26 (March 26, 2010)
PURCHASED MY 2004 INFINITI M45 AT WILLOW GROVE INFINITI IN THE SUBURBS OF PHILADELPHIA WITH 22,160 MILES. I PERFORMED A THOROUGH TEST DRIVE AND FOUND NO PROBLEMS WITH THE CAR. THE CAR WAS BOUGHT TO BE MY "WEEKEND" CAR SINCE I'M ALREADY SUPPLIED WITH A COMPANY CAR FROM WORK.AFTER 3 WEEKS OF MINIMAL DRIVING, FOUND THAT I HAD PUT OVER 300 MILES BUT THE FUEL GAUGE WAS STILL READING JUST UNDER HALF TANK. THIS CAR HAS A 20 GALLON TANK AND IS KNOWN TO HAVE BETWEEN 16-19 MPG. AT THE VERY BEST, LOGIC WOULD SAY I WOULD GET 380 MILES OUT OF A FULL TANK. I…
Owner-reported narrative. 22,704 miles reported. Look up ODI 10322403 at NHTSA ↗
Owner report 10515329 · 2013-06-05 (June 5, 2013)
TL* THE CONTACT OWNS 2004 INFINITI M45. THE CONTACT STATED THAT WHILE DRIVING 60 MPH, THE VEHICLE STALLED AND THE VDC, ENGINE, AND SEATBELT LIGHTS ILLUMINATED. THE CONTACT RESTARTED THE VEHICLE AND CHANGED THE BATTERY A DAY LATER BUT THE FAILURE RECURRED. THE VEHICLE WAS TAKEN TO THE DEALER FOR INSPECTION AND THEY STATED THAT THE CRANK POSITION SENSOR NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 137,523. ..UPDATED 06/28/13 *BF UPDATED 07/3/2013 *JS
Owner-reported narrative. 137,523 miles reported. Look up ODI 10515329 at NHTSA ↗
Owner report 10693943 · 2015-03-12 (March 12, 2015)
TL* THE CONTACT OWNS A 2004 INFINITI M45. WHILE DRIVING AT VARIOUS SPEEDS, THE BRAKE LIGHT DID NOT ILLUMINATE WHEN THE BRAKE PEDAL WAS DEPRESSED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE AND ADVISED THAT THE VIN WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 04V497000 (EXTERIOR LIGHTING). THE APPROXIMATE FAILURE MILEAGE WAS 155,924.
Owner-reported narrative. 155,924 miles reported. Look up ODI 10693943 at NHTSA ↗