Problems · NHTSA complaints

2004 Infiniti M45 problems

Owners filed 43 complaints about the 2004 Infiniti M45 with NHTSA between Sep 2009 and Oct 2015. The most-cited component is fuel system, gasoline (23).

Complaints
43
Filed with NHTSA
Crashes
0
Reported by owners
Fires
0
Reported by owners
Injuries
0
People reported injured
Deaths
0
Reported to NHTSA
01 —By component

Complaints by component

One complaint can cite several components
  1. Fuel system, gasoline23
  2. Engine7
  3. Fuel system, other7
  4. Electrical system5
  5. Seats3
  6. Air bags2
  7. Exterior lighting1
  8. Engine and engine cooling1

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.

Data from NHTSA Complaints API · synced Oct 28, 2026NHTSA vehicle page
02 —Trend

When complaints were filed

Does it get worse with age? Complaints per calendar year filed
View as table
Model yearComplaints filed per calendar year
20091
201013
20118
201212
20135
20141
20153

Mileage at failure isn’t a structured field in NHTSA complaint data, so we don’t chart it. Some owners mention it in their reports below.

03 —Owner reports

Top problems in owners’ words

Verbatim from NHTSA complaints, newest first

Fuel system, gasoline

23 reports1 related recall
“THIS VEHICLE'S YEAR, MAKE AND MODEL HAS A KNOWN FUEL GAUGE ISSUE THAT NISSAN/INFINITI CHOSE TO IGNORE FOR THE LONGEST TIME. I THOUGHT I WAS ONE OF THE LUCKY ONES BECAUSE MY CAR DIDN'T HAVE THE ISSUE BUT IT HAPPENED BACK IN SEPTEMBER OF 2011 WHILE DRIVING HOME FROM WORK. LUCKILY, IT WAS ONLY ME IN THE CAR AND I WAS ABLE TO COAST ONTO THE SHOULDER AND CALL MY WIFE TO BRING GAS FOR ME. *TR”
Owner complaint to NHTSAFiled Mar 14, 2012Fuel system, gasolineODI 10451633

Engine

7 reports
“TL* THE CONTACT OWNS A 2004 INFINITI M45. WHILE THE VEHICLE WAS STOPPED AT A RED LIGHT, THE ACCELERATOR PEDAL WAS DEPRESSED, THE ENGINE STALLED, AND ALL OF THE WARNING INDICATORS ILLUMINATED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE THE DIAGNOSTIC RESULTS WERE UNKNOWN. THE VEHICLE WAS PREVIOUSLY REPAIRED UNDER NHTSA CAMPAIGN NUMBER: 03V455000 (ENGINE AND ENGINE COOLING) HOWEVER, THE REMEDY FAILED TO PREVENT THE FAILURE. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 168,000.”
Owner complaint to NHTSAFiled Oct 19, 2015EngineODI 10783209

Fuel system, other

7 reports
“2004 INFINITI M45 RAN OUT OF GAS WITH MY GAUGE READING 1/4 LEFT. FOUND OUT IT IS A PROBLEM WITH GAUGE CLUSTER WHICH IS ABOUT $1000.00 TO REPLACE. I HAVE FOUND OUT THIS IS A COMMON PROBLEM BUT INFINITI REFUSES TO HELP WITH THE COST. THERE NEEDS TO BE A RECALL. THANK YOU. *TT”
Owner complaint to NHTSAFiled Jul 12, 2011Fuel system, otherODI 10412053

Electrical system

5 reports
“TL* THE CONTACT OWNS A 2004 INFINITI M45. THE CONTACT STATED THAT WHILE AT A COMPLETE STOP, THE VEHICLE STALLED. THE VEHICLE RESTARTED AFTER AN HOUR AND WAS ABLE TO BE DRIVEN TO THE DEALER WHERE THE FAILURE COULD NOT BE REPLICATED. THE VEHICLE WAS NOT REPAIRED. THE CONTACT ALSO STATED THAT THE FAILURE RECURRED APPROXIMATELY EIGHT TIMES OVER THE SPAN OF A MONTH. THE MANUFACTURER WAS NOT NOTIFIED. THE FAILURE MILEAGE WAS 164,000...UPDATED 02-13-13 *BF UPDATED 02/14/13”
Owner complaint to NHTSAFiled Jan 24, 2013Electrical system, EngineODI 10494564

Seats

3 reports
“FRAME ON DRIVERS SEAT BROKEN CAUSING SEAT TO LIST TO THE LEFT SIDE. PREVIOUSLY REPAIRED BY DEALER WHO INFORMED US AT THE TIME THAT IT COULD NOT BE REPAIRED AGAIN, IT WOULD NEED TO BE REPLACED AT AT COST OF APPROX $1800.00. SEAT CURRENTLY NOW NEEDS REPLACEMENT. THIS IS A ONE OWNER VEHICLE AND HAS BEEN MAINTAINED BY THE DEALERSHIP.”
Owner complaint to NHTSAFiled Sep 22, 2013SeatsODI 10544826

Air bags

2 reports
“TL* THE CONTACT OWNS A 2004 INFINITI M45. THE CONTACT STATED THE SIDE CURTAIN AIRBAG REMAINED ILLUMINATED ON THE WARNING PANEL. THE DEALER CONFIRMED THE AIR BAGS WERE DEFECTIVE AND WOULD NEED TO BE REPLACED AT THE EXPENSE OF THE OWNER. THE MANUFACTURER WAS CONTACTED AND ADVISED THEY WOULD INFORM THE CONTACT AT A LATER DATE IF THEY WERE ABLE TO ASSIST WITH REPAIRS. THE FAILURE AND THE CURRENT MILEAGES WERE 83,999.”
Owner complaint to NHTSAFiled Apr 23, 2010Air bagsODI 10327196
Data from NHTSA Complaints API (owner reports, unverified) · synced Oct 28, 2026

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.