Problems · NHTSA complaints

1999 Infiniti QX4 problems

Owners filed 43 complaints about the 1999 Infiniti QX4 with NHTSA between Sep 1999 and Mar 2022. The most-cited component is steering (14).

Complaints
43
Filed with NHTSA
Crashes
4
Reported by owners
Fires
2
Reported by owners
Injuries
1
People reported injured
Deaths
0
Reported to NHTSA
01 —By component

Complaints by component

One complaint can cite several components
  1. Steering14
  2. Suspension14
  3. Structure8
  4. Electrical system5
  5. Fuel system, gasoline5
  6. Power train3
  7. Engine and engine cooling3
  8. Exterior lighting2
  9. Air bags2
  10. Visibility2
  11. Fuel/propulsion system1
  12. Service brakes1
  13. Engine1
  14. Service brakes, hydraulic1

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 Nov 6, 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
19991
20002
20012
20021
20031
20041
20050
20061
20070
20085
20090
20103
201115
20123
20130
20143
20150
20160
20171
20181
20191
20200
20210
20222

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

Steering

14 reports3 crashes1 related recall
“Accelerating grinding sound in back chassis. Steering is harder than usual. Im not getting the power to accelerate properly all the time. Eventually the problem with salt cause im in Indiana too much salt on roads and i dont think things are sealed completely from manufacturers.”
Owner complaint to NHTSAFiled Mar 1, 2022Steering, Suspension, Power trainODI 11454724

Suspension

14 reports
“TL* THE CONTACT OWNS A 1999 INFINITI QX4. WHILE DRIVING 55 MPH, THE STEERING WHEEL BECAME DIFFICULT TO TURN. THERE WERE NO WARNING INDICATORS ILLUMINATED. THE CONTACT ASSOCIATED THE FAILURE WITH NHTSA CAMPAIGN NUMBER: 11V244000 (STEERING, SUSPENSION). THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO STATED THAT THE FRONT STRUT HOUSING NEEDED TO BE REPLACED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE DEALER WAS NOT CONTACTED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 160,000. *BF CONSUMER STATED INFINITY CONTACTED AND WAS TOLD THERE WAS NO OPEN CASE FOR HIS VEHICLE FOR MY VEHICLEAS THE RECALL HAD ALREADY BEEN SERVICED IN 2008. I BROUGHT THE CAR IN AND THEY REPAIRED IT COMPLETELY WITH A BRACKET AND FIBERGLASS REPAIR KIT.*JB”
Owner complaint to NHTSAFiled Aug 23, 2019Steering, SuspensionODI 11246053

Structure

8 reports
“TL* THE CONTACT OWNS A 1999 INFINITI QX4. THE CONTACT STATED THAT BOTH REAR EXTERIOR AND INTERIOR DOORS FAILED TO OPEN. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC FOR INSPECTION. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE PROBLEM. THE APPROXIMATE FAILURE MILEAGE WAS 100,000.”
Owner complaint to NHTSAFiled Jan 31, 2014StructureODI 10562406

Electrical system

5 reports1 crash1 fire
“1. STEREO AMPLIFIER FUSE BLEW. (15 AMP) 2. FUSE REPLACED 3. WHILE DRIVING THE CAR SMELLED SMOKE. 4. ALL DASH LIGHTS AND ELECTRICAL SYSTEM WENT BLACK. 5. SMOKE STARTED COMING FROM UNDER THE DASH BOARD. 6. CAR REMAINED RUNNING, HEAD LIGHTS FUNCTIONED. 7. AFTER TURNING THE CAR OFF, LARGE AMOUNTS OF SMOKE CAME FROM BEHIND AND UNDER THE DASH BOARD. 8. CAR WOULD NOT START AND ALL ELECTRICAL SYSTEM NON RESPONSIVE. 9. INSPECTION OF DASH WIRING HARNESS REVEALED EXTREME MELTING AND DAMAGE TO INTERIOR WIRING HARNESS IN THE AREA OF THE FUSE BOX AND ALL CONNECTIONS TO ELECTRICAL SYSTEMS. 10. VEHICLE IS COMPLETELY INOPERABLE AND AT DEALER FOR INSPECTION AND POSSIBLE REPAIR. 11. COMPLICATION VEHICLE WAS MANUFACTURED FOR NISSAN NORTH AMERICA AND IS NOW REGISTERED AND DRIVEN IN THE MIDDLE EAST (MANAMA, BAHRAIN) NOT SURE IF NISSAN MIDDLE EAST WILL BE AWARE OF ANY RECALLS OR PROBLEMS WITH NORTH AMERICAN SPECIFICATIONS. I AM FROM THE USA AND THE PRESENT OWNER OF THE VEHICLE, SUBMITTED BECAUSE CAR WAS BROUGHT FROM THE USA TO MIDDLE EAST. *TR”
Owner complaint to NHTSAFiled Jul 27, 2012Electrical systemFire reportedODI 10467900

Fuel system, gasoline

5 reports1 crash1 related recall
“TL* THE CONTACT OWNS A 1999 INFINITI QX4. WHILE DRIVING APPROXIMATELY 30 MPH, THE CONTACT LOST CONTROL OF THE STEERING CAUSING HIM TO CRASH INTO A POLE. THE VEHICLE SUSTAINED DAMAGE TO THE FRONT DRIVER SIDE. THERE WERE NO INJURIES. THE VEHICLE WAS TOWED TO AN AUTO SHOP WHERE THE MECHANIC ADVISED THAT THE STEERING SHAFT HAD FRACTURED AND CAUSED THE CONTACT TO LOSE CONTROL OF THE VEHICLE. THE VEHICLE WAS REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 199,000. UPDATED 06/14/2012 *JS”
Owner complaint to NHTSAFiled Nov 16, 2011Steering, Fuel system, gasoline, Electrical system, Exterior lighting, Air bags, EngineCrash reportedODI 10436022

Power train

3 reports
“TL* THE CONTACT OWNS A 1999 INFINITI QX4. THE CONTACT STATED THAT WHILE DRIVING 55 MPH THE VEHICLE WOULD JERK VIOLENTLY. THE VEHICLE HAD NOT BEEN TAKEN TO THE DEALER. THE MANUFACTURER HAD NOT BEEN MADE AWARE OF THE FAILURE. THE VEHICLE HAD NOT BEEN REPAIRED. THE FAILURE AND CURRENT MILEAGE WAS 112,380.”
Owner complaint to NHTSAFiled Aug 17, 2011Power trainODI 10419843
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 6, 2026

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