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Infiniti M45 problems and owner complaints

Explore the records behind recurring owner reports.

Key facts

280 owner complaints analyzed

9 distinct recall campaigns

88,000 mi median reported failure mileage

Scope: 2003 to 2010 model years. Data snapshot: . 229 complaints include usable failure mileage.

Owner-reported patterns

Most common problems

Fuel System, Gasoline is the most frequently named component, appearing in 88 of 280 complaints (31.4%). A complaint can name multiple components.

Recurring terms in complaint narratives
TopicMatching reportsShare of complaints
Engine operation6523.2%
Steering behavior3111.1%
Braking behavior238.2%
Fuel system concerns217.5%
Electrical and battery issues72.5%
Transmission and shifting10.4%

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.

Fuel System, Gasoline
88
Engine
53
Electrical System
37
Seats
26
Air Bags
25
Steering
25
Engine And Engine Cooling
15
Fuel System, Other:Storage:Fuel Gauge System
10
Component breakdown data
CategoryCount
Fuel System, Gasoline88
Engine53
Electrical System37
Seats26
Air Bags25
Steering25
Engine And Engine Cooling15
Fuel System, Other:Storage:Fuel Gauge System10

Fuel System, Gasoline: 88; Engine: 53; Electrical System: 37; Seats: 26; Air Bags: 25; Steering: 25; Engine And Engine Cooling: 15; Fuel System, Other:Storage:Fuel Gauge System: 10

Reported problems by failure mileage

Complaint counts in mileage bands. These are not failure rates per vehicle or mile.

Under 25,000
14
25,000 to 49,999
17
50,000 to 74,999
54
75,000 to 99,999
54
100,000 to 149,999
63
150,000 and above
27
Reported problems by failure mileage data
CategoryCount
Under 25,00014
25,000 to 49,99917
50,000 to 74,99954
75,000 to 99,99954
100,000 to 149,99963
150,000 and above27

Under 25,000: 14; 25,000 to 49,999: 17; 50,000 to 74,999: 54; 75,000 to 99,999: 54; 100,000 to 149,999: 63; 150,000 and above: 27

100,000 to 149,999 miles has the most reports with usable mileage (63). 51 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.

2004
5
2005
1
2006
1
2007
1
2008
4
2009
7
2010
43
2011
42
2012
55
2013
21
2014
16
2015
19
2016
29
2017
17
2018
3
2019
6
2020
5
2021
1
2022
2
2023
1
2024
1
Complaints over time data
CategoryCount
20045
20051
20061
20071
20084
20097
201043
201142
201255
201321
201416
201519
201629
201717
20183
20196
20205
20211
20222
20231
20241

2004: 5; 2005: 1; 2006: 1; 2007: 1; 2008: 4; 2009: 7; 2010: 43; 2011: 42; 2012: 55; 2013: 21; 2014: 16; 2015: 19; 2016: 29; 2017: 17; 2018: 3; 2019: 6; 2020: 5; 2021: 1; 2022: 2; 2023: 1; 2024: 1

Pattern summary

Fuel System, Gasoline leads the component reports. Engine operation appears in 65 complaint narratives. Steering behavior appears in 31 complaint narratives. Braking behavior appears in 23 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 10323757 · 2010-04-05 (April 5, 2010)

I PURCHASED MY M45 FROM USED CAR DEALER AND WHILE DRIVING HOME THE CAR STALLED DURING CHICAGO RUSH HOUR TRAFFIC. THE WRECKER TOWED ME BACK TO DEALERSHIP WHO ASKED IF I RAN OUT OF GAS - I THOUGHT NOT POSSIBLE SINCE THE FUEL GAUGE READ 3/8. THE DEALERSHIP FILLED THE GAS TANK AND CAR STARTED UP. I WAS STRANDED A SECOND TIME IN RUSH HOUR TRAFFIC IN RESIDENTIAL AREA AND THIS TIME MY TANK READ 7/8. CHECK ENGINE LIGHT IS ON (CODE P0462) DUE TO LOW VOLTAGE LEVEL TO THE FUEL LEVEL SENSOR DUE TO FAULTY INSTRUMENT CLUSTER. INACCURATE FUEL GAUGE REA…

Owner-reported narrative. 93,000 miles reported. Look up ODI 10323757 at NHTSA ↗

Owner report 10325399 · 2010-04-13 (April 13, 2010)

TL*THE CONTACT OWNS A 2003 INFINITY M45. ON MARCH 1, 2009, WHILE THE CONTACT WAS DRIVING AT APPROXIMATELY 70 MPH, THE VEHICLE SUDDENLY STALLED AND HE HAD TO PULL OVER TO AVOID A CRASH. WHEN HE CHECKED THE FUEL GAUGE, IT INDICATED THAT THE VEHICLE WAS FULL WITH FUEL BUT THE VEHICLE WAS OUT OF GAS. THE FUEL GAUGE WOULD ALSO SHOW A FULL TANK OF GAS WHEN THE TANK WAS EMPTY. THE CONTACT PLANNED TO TAKE THE VEHICLE TO A LOCAL REPAIR SHOP FOR A DIAGNOSTIC TEST. THE FAILURE MILEAGE WAS APPROXIMATELY 77,000. THE CURRENT MILEAGE WAS APPROXIMATELY 89,000…

Owner-reported narrative. 77,000 miles reported. Look up ODI 10325399 at NHTSA ↗

Owner report 10323996 · 2010-04-06 (April 6, 2010)

THERE SEEMS TO BE A GAS GAUGE ISSUES WITH MY2003 INFINITI M45. I WAS ON THE HIGHWAY AT ABOUT 65 MILES PER HOUR WHEN THE CAR ENGINE STOPPED AND THAT CAR BECAME NON RESPONSIVE. I WAS BARELY ABLE TO PULL OVER TO THE FAR RIGHT HAND LANE WITHOUT THE CAR'S POWER STEERING. THE GAS GAUGE READ FULL BUT THE TANK WAS ACTUALLY EMPTY. I WAS LUCKY TO HAVE AVOIDED A COLLISION. AFTER READING SEVERAL POSTS I HAVE COME TO FIND THAT THIS IS A KNOWN NISSAN/ INFINITI ISSUE. WHY HAS THERE NOT BEEN A RECALL BEEN PLACED ON THE NISSANS BUT NO THE INFINITI'S? *TR

Owner-reported narrative. 66,410 miles reported. Look up ODI 10323996 at NHTSA ↗

Owner report 10444491 · 2012-01-19 (January 19, 2012)

I WAS DRIVING MY 2003 INFINITI M45 ON OR AROUND JUNE 30, 2011 AT 65MPH ON HIGHWAY 290 NEAR THE WOLF RD EXIT IN CHICAGO. ALL OF A SUDDEN WHILE I WAS IN THE LEFT LANE, MY CAR STARTED JERKING HEAVILY AND MY POWER STEERING WENT OFF MAKING THE CAR REALLY HARD TO STEER. I LOOKED AT THE DASH AND SAW NO WARNING MSGS COME ON.... I CAREFULLY VEERED MY CAR THROUGH HEAVY TRAFFIC TOWARDS THE RIGHT LANE AND SHOULDER AND I BARELY MISSED A TRUCK COMING IN THE FAR RIGHT LANE! AS I GOT TO THE SHOULDER AND CAUGHT MY BEARINGS AND WAS ABOUT TO CALL AN EMERGENCY…

Owner-reported narrative. 95,000 miles reported. Look up ODI 10444491 at NHTSA ↗

Owner report 10437964 · 2011-12-01 (December 1, 2011)

TL* THE CONTACT OWNS A 2003 INFINITI M45. THE CONTACT STATED THAT THE VEHICLE WOULD EXHIBIT AN ABNORMAL SOUND AND WAS RESISTANT TO THE BRAKING ATTEMPTS WITH THE ILLUMINATION OF THE CHECK ENGINE WARNING LIGHT. THE DEALER AND THE MANUFACTURER WERE NOTIFIED OF THE FAILURE, BUT ADVISED THE CONTACT THAT THE VIN DID NOT ASSOCIATE WITH THE RECALL UNDER NHTSA CAMPAIGN ID NUMBER: 03V455000 (ENGINE AND ENGINE COOLING). THE VEHICLE WAS NOT REPAIRED. THE FAILURE AND THE CURRENT MILEAGE WAS 63,800.

Owner-reported narrative. 63,800 miles reported. Look up ODI 10437964 at NHTSA ↗

Owner report 10514828 · 2013-06-03 (June 3, 2013)

TL* THE CONTACT OWNS A 2003 INFINITI M45. THE CONTACT WAS DRIVING 75 MPH WITH THE CRUISE CONTROL ACTIVATED AND ATTEMPTED TO ACTIVATE THE LOW BEAM HEADLIGHTS BUT THEY FAILED TO ILLUMINATE. THE CRUISE CONTROL WARNING LIGHT THEN ILLUMINATED. THE CONTACT ALSO STATED THAT THE INSTRUMENT PANEL LIGHTS FAILED AND THE BRAKES ENGAGED INDEPENDENTLY. THE VEHICLE WAS NOT TAKEN TO A DEALER FOR AN INSPECTION. THE FAILURE WAS NOT REPORTED TO THE MANUFACTURER. THE FAILURE AND CURRENT MILEAGE WAS 105,000. ...UPDATED 07-10-13 *BF THE CONSUMER WAS DRIVING 75 M…

Owner-reported narrative. 105,000 miles reported. Look up ODI 10514828 at NHTSA ↗

Owner report 10336599 · 2010-06-16 (June 16, 2010)

TL* THE CONTACT OWNS A 2003 INFINITI M45. THE CONTACT STATED THE FUEL LEVEL INDICATOR WOULD INTERMITTENTLY READ THAT THE FUEL TANK WAS FULL WHEN IT WAS NOT AND OFTEN FLUCTUATES BACK AND FORTH FROM EMPTY AND FULL. THE DEALER ADVISED THAT THE FUEL SENDING UNIT WOULD NEED TO BE REPLACED. THERE WERE NO RECALLS AND THE VEHICLE WAS NO LONGER UNDER WARRANTY. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 38,417 AND THE CURRENT MILEAGE WAS 55,521.

Owner-reported narrative. 38,417 miles reported. Look up ODI 10336599 at NHTSA ↗

Owner report 10426741 · 2011-09-22 (September 22, 2011)

FAULTY GAS GAUGE READINGS AND CHECK ENGINE LIGHT WITH CODE 0462. TROUBLESHOOTING REVEALED NO +12 V FROM INSTRUMENT CLUSTER (COMBINATION METER) TO FUEL LEVEL SENSOR. NO OPENS OR SHORTS IN WIRING HARNESS. ALL POINTS TO A DEFECTIVE GAUGE CLUSTER. *TR

Owner-reported narrative. Look up ODI 10426741 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 11270093 · 2019-10-21 (October 21, 2019)

WHILE DRIVING AT 55 MPH, I WAS CHANGING LANES, AND THERE WAS A PIECE OF METAL IN THE ROAD. I APPLIED THE BRAKES TO SLOW DOWN. THE CAR ABRUPTLY PULLED TO RIGHT AND AND RAN INTO THE CURB ON THE RIGHT HAND SIDE OF THE ROAD. I APPLIED THE BRAKES AGAIN. THIS CAUSED THE CAR TO FLY TO THE LEFT AND HIT THE MEDIAN 2 LANES OVER, SENDING ME INTO A 360 SPIN OUT, ONCE AGAIN HITTING THE RIGHT SIDE OF THE ROAD WITH FRONT OF MY CAR, AND ENDING UP WITH THE REAR END HITTING THE MEDIAN AGAIN WITH THE REAR OF THE CAR BRINGING IT TO A STOP. THANK GOD, ALL OF T…

Owner-reported narrative. 100,402 miles reported. Look up ODI 11270093 at NHTSA ↗

Compare model years

Recalls by model year

All campaigns in the snapshot affecting each model year, including recalls announced years later.

Recall campaigns

Shared campaigns appear once in each affected model year.

2003
2
2004
2
2006
5
2007
4
2008
5
2009
5
2010
5
Recall campaigns data
CategoryCount
20032
20042
20065
20074
20085
20095
20105

2003: 2; 2004: 2; 2006: 5; 2007: 4; 2008: 5; 2009: 5; 2010: 5

Year-by-year records

Infiniti M45 model-year comparison
Model yearComplaintsRecallsChange in recalls
20031292Not available
20044320
2006725Not available
2007274-1
200865+1
2009250
2010150