2001 INFINITI QX4 Problems
Owner-reported complaints filed with NHTSA, grouped by component
Data refreshed
What this page shows
Everything below is an owner-reported complaint submitted to NHTSA about the 2001 INFINITI QX4, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Reports by component
Ranked by how many owner reports name each component category
- Body & structure1719.5%
- Electrical1314.9%
- Suspension1213.8%
- Other / unspecified1112.6%
- Transmission66.9%
- Steering66.9%
- Fuel system66.9%
- Engine44.6%
- Brakes33.4%
- Visibility22.3%
- Driver assistance22.3%
- Airbags22.3%
- Tires & wheels11.1%
- Heating & air conditioning11.1%
- Exterior lighting11.1%
Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.
Each component in detail
What the reports in each category say, in the owners' own words
Body & structure
Reports naming the vehicle structure, frame, body panels, doors, hood and trim.
From owner reports, verbatim
Lower control arm broke due to excessive rust/ corrosion on ENTIRE underside of vehicle. Nearly caused accident . Scared the bejesus out of us . Now afraid to drive.
THE SUV HAS BEEN RECALLED FOR UNUSUAL RUSTING OF THE ENTIRE UNDERSIDE, THE NHTSA SAID THE STRUTS MAY RUST AND BREAK AWAY FROM THE BODY, THAT IS HAPPENING. WE CALLED THE NISSAN DEALER IN WINCHESTER VIRGINIA, THEY LIED AND SAID THERE IS NO SUCH RECALL.
Electrical
Reports naming the electrical system — wiring, battery, charging, control modules, infotainment and electrical accessories.
From owner reports, verbatim
"ERR2" CODE ON BOSE/CLARION IN DASH 6 DISK CD PLAYER. CD PLAYER NOW INOPERABLE. NUMEROUS INCIDENTS OF SIMILAR ISSUES FOUND DURING ONLINE RESEARCH. *TT
"ERR2" CODE ON BOSE/CLARION IN DASH 6 DISK CD PLAYER. CD PLAYER NOW INOPERABLE. NUMEROUS INCIDENTS OF SIMILAR ISSUES FOUND DURING ONLINE RESEARCH. *TR
Suspension
Reports naming suspension components — springs, struts, shocks, control arms and related hardware.
From owner reports, verbatim
The contact owns a 2001 Infiniti QX4. The contact stated that while driving at unknown speed, there was an abnormal noise coming from the rear of the vehicle. The vehicle was taken to an independent mechanic where it was diagnosed that the rear struts and rear brackets needed to be replaced due to corrosion. The vehicle was taken to the dealer where they declined to repair the vehicle. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage was 270,000.
Lower control arm broke due to excessive rust/ corrosion on ENTIRE underside of vehicle. Nearly caused accident . Scared the bejesus out of us . Now afraid to drive.
Other / unspecified
Reports whose component NHTSA recorded as unknown, or that do not map to one of the categories above.
From owner reports, verbatim
Its the wheel stud on the driver side left rear....it departed from the vehicke at 55 mph.
THE WHOLE FRAME IS RUSTED MAKE A LOUD CRACKING AND OTHER NOISES. AFRAID TO DRIVE WAS INSPECTED BY TIRE SHOP THEY WOULD NOT WORK ON IT. CAR HAS BEEN PARKED IN FRONT OF MY DAUGHTER HOME.
Transmission
Reports naming the automatic or manual transmission, including shifting behaviour, shudder, slipping and transmission control modules.
From owner reports, verbatim
TRANSMISSION SLIPPAGE WHEN TRANSMISSION IS SHIFTING FROM 2ND TO 3RD DURING COLD WEATHER DURING MODERATE ACCELERATION. *TR
PROBLEMS WITH THE TRANSMISSION, ENGINE BELTS, TRANSMISSION FLUID LEAKAGE, ETC... *PH TRANSMISSION FLUID LEAKING, ENGINE BELTS ARE CRACKING AND THERE ARE PROBLEMS WITH THE BATTERY.*MR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Steering
Reports naming the steering system — racks, columns, power-steering assist and steering linkage.
From owner reports, verbatim
passenger side bottom carriage is completely rusted. steering wheel shakes car makes knocking noise. just noticed there was a recall on it. i’ve only had this vehicle 7 months with 90,000 miles on it.
THE SUV HAS BEEN RECALLED FOR UNUSUAL RUSTING OF THE ENTIRE UNDERSIDE, THE NHTSA SAID THE STRUTS MAY RUST AND BREAK AWAY FROM THE BODY, THAT IS HAPPENING. WE CALLED THE NISSAN DEALER IN WINCHESTER VIRGINIA, THEY LIED AND SAID THERE IS NO SUCH RECALL.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Fuel system
Reports naming fuel storage or delivery — tanks, pumps, lines, injectors and fuel leaks.
From owner reports, verbatim
NOTHING HAVE NOT HAPPEN BUT IM NOTICED THOSE THINGS AND LOOKED UP RECALLS AND WOULD LIKE IT FIXED
I WAS SMELLING GAS FUMES WHILE MY CAR WAS PARKED IN THE GARAGE. I COULD SEE SOMETHING WET IN THE WHEEL WELL NEAR WHERE THE GAS TANK IS FILLED. HAD IT REPAIRED AT MY INFINITI DEALER, AND THEY REPLACED THE FUEL FILLER TUBE AND HOSES. IT REMINDED ME OF A RECALL NOTICE I RECEIVED IN 2008. IT WAS FOR THE FUEL FILLER TUBE AND HOSES. THEY WERE KNOW TO HAVE CORRODED DUE TO EXPOSURE TO ROAD SALTS. I HAD MY CAR INSPECTED IN 2008 AND THEY SAID EVERYTHING WAS OK AT THE TIME. HOWEVER, BEING ABLE TO SMELL FUMES IN MY GARAGE, I KNOW THAT IT CORRODED THROUGH. THE DEALER AND INFINITI CONSUMER AFFAIRS STATE THAT BECAUSE I DON'T LIVE IN THEIR DERIVED LIST OF STATES THAT "REGULARLY USE SALT IN THE WINTER", THAT I AM NOT ELIGIBLE FOR FREE REPLACEMENT OF THE DEFECTIVE PART. I DO TRAVEL THROUGH A COUPLE OF THE AFFECTED STATES, BUT THE CAR IS NOT REGISTERED IN ONE. THE RECALL NOTICE STATES: "BECAUSE YOUR QX4 IS NOT REGISTERED IN ONE OF THE ABOVE STATES, IT DOES NOT HAVE TO BE REPAIRED. HOWEVER, AT YOUR REQUEST, YOUR INFINITI DEALER WILL INSPECT, AND IF NECESSARY, REPLACE THE FUEL FILLER TUBE ASSEMBLY WITH A NEW ONE WITH AN IMPROVED COATING PROCESS. THIS FREE SERVICE SHOULD TAKE ABOUT ONE AND A HALF HOURS..." THE NOTICE ALSO STATES TO "LEAVE THIS NOTICE IN YOUR QX4 FOR ANY FUTURE OWNERS." THIS TELLS ME THERE IS NO LENGTH OF TIME WHERE THE RECALL NOTICE BECOMES INACTIVE. IT WAS INSPECTED AT THE TIME AND NO REPAIRS WERE NECESSARY THEN. HOWEVER, THE PROBLEM DID DEVELOP, AND NOW THEY DO NOT CONSIDER IT MEETING THE CRITERIA OF THE RECALL. I THINK IT MATCHES EXACTLY. ....UPDATED 10-27-15 *BF *CN
Too few reports in this category for a page of its own — they appear in the full complaint list.
Engine
Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components.
From owner reports, verbatim
DT: THE CONTACT'S VEHICLE WAS INVOLVED IN AN ACCIDENT ON 8-15-05 WHILE GOING 40-45 MPH. THE VEHICLE ROLLED OVER. AT FIRST , HIT A MAIL BOX. THEN, THE BACK OF CONTACT'S VEHICLE HIT ANOTHER CAR. SHE ENDED UP IN A DITCH, ROLLED OVER, AND HIT A TREE HEAD-ON. UPON IMPACT NEITHER THE FRONT OR SIDE AIR BAGS DEPLOYED. THE DEALER URGED CONTACT TO CALL THE MANUFACTURER, AND THEY SAID THEY WOULD LOOK INTO IT. THE CONTACT SUSTAINED INJURIES. THE POLICE WERE CALLED. THE CHECK ENGINE LIGHT CAME ON EVER SINCE SHE BOUGHT THE VEHICLE. SHE HAD THE SENSORS REPLACED AT LEAST SIX TIMES BECAUSE THE LIGHT KEPT COMING ON. SHE SAID THE AIR BAG LIGHT NEVER CAME ON. *AK *NM
PROBLEMS WITH THE TRANSMISSION, ENGINE BELTS, TRANSMISSION FLUID LEAKAGE, ETC... *PH TRANSMISSION FLUID LEAKING, ENGINE BELTS ARE CRACKING AND THERE ARE PROBLEMS WITH THE BATTERY.*MR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Brakes
Reports naming service brakes, the antilock braking system, brake hoses, master cylinders or the parking brake.
From owner reports, verbatim
TL* THE CONTACT OWNS A 2001 INFINITY QX4. THE CONTACT WAS DRIVING 45 MPH WHEN THE BRAKES WERE DEPRESSED BUT THE VEHICLE FAILED TO STOP. THE CONTACT WAS FORCED TO CRASH INTO A TREE IN ORDER TO STOP THE VEHICLE. THE VEHICLE WAS DESTROYED AND THE CONTACT WAS REPORTED INJURED. THE VEHICLE WAS NOT TAKEN TO THE DEALER, AND THE MANUFACTURER WAS NOT CONTACTED. THE FAILURE AND CURRENT MILEAGES WERE 96,000.
I HAVE FOUND THAT THE BRAKE AND ACCELERATOR PEDALS ARE TOO CLOSE TOGETHER, MAKING IT EASY TO HIT THE GAS INSTEAD OF THE BRAKE. THERE ARE SEVERAL COMPLAINTS ABOUT SUDDEN ACCELERATION AND I WOULD BELIEVE THAT MIGHT BE THE CAUSE. I AM A SMALL PERSON WITH AVERAGE SIZE FEET AND HAVE HAD TWO SCARY INCIDENTS WITH THIS ISSUE. ALSO HAVE THE BROKEN RADIO PROBLEMS AFFECTING NEARLY EVERY OWNER WHICH SHOULD BE A CLASS ACTION LAWSUIT. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Visibility
Reports naming windshields, glass, wipers, defrosters and mirrors.
From owner reports, verbatim
NO SUMMARY. *AK
DRIVER SIDE REAR VIEW MIRROR VIBRATES AND RATTLES LOUDLY @50+MPH. *AK
Too few reports in this category for a page of its own — they appear in the full complaint list.
Driver assistance
Reports naming forward-collision avoidance, lane keeping, back-over prevention, cruise control and related electronic driver-assistance systems.
From owner reports, verbatim
WE WERE ON VACATION IN ORANGE BEACH, ALABAMA. WHILE RETURNING FROM A SHOPPING TRIP TO FOLEY, ALABAMA, WE WERE PULLING IN TO THE PARKING SPACE IN FRONT OF OUR CONDO; MY WIFE, JUDY, WAS DRIVING OUR INFINITI QX4 2001 SUV. AS WE CAME TO A STOP THE CAR ENGINE SUDDENLY ACCELERATED "WIDE OPEN" AND MY WIFE PUT HER RIGHT FOOT ON THE BRAKE PEDAL, EXCLAIMING "SOMETHING IS WRONG, I CAN'T STOP THIS CAR!" WE WENT OVER A CURB AND HIT A CONCRETE UTILITY POLE WHICH FINALLY STOPPED THE MOTION OF THE SUV. WE WERE NOT INJURED. WE HAVE FILED A COMPLAINT WITH THE AUTO MANUFACTURER. THEY HAVE SENT A REP TO DO A COMPLETE "TEST" OF THE VEHICLE. TO DATE, WE HAVE NOT HEARD ANYTHING REGARDING THE RESULTS OF THEIR TESTING. *AK
WHILE BACKING OUT OF DRIVEWAY AND WHEN APPLYING ACCELERATOR TO GO FORWARD PEDAL WENT TO FLOOR AND STUCK, CAUSING CONSUMER TO LOSE CONTROL OF VEHICLE. CONTACTED DEALER, AND AN INVESTIGATOR WAS SENT OUT AND STATED NOTHING WAS WRONG.*AK
Too few reports in this category for a page of its own — they appear in the full complaint list.
Airbags
Reports naming the air-bag system — deployment behaviour, inflators, sensors and warning lights.
From owner reports, verbatim
DT: THE CONTACT'S VEHICLE WAS INVOLVED IN AN ACCIDENT ON 8-15-05 WHILE GOING 40-45 MPH. THE VEHICLE ROLLED OVER. AT FIRST , HIT A MAIL BOX. THEN, THE BACK OF CONTACT'S VEHICLE HIT ANOTHER CAR. SHE ENDED UP IN A DITCH, ROLLED OVER, AND HIT A TREE HEAD-ON. UPON IMPACT NEITHER THE FRONT OR SIDE AIR BAGS DEPLOYED. THE DEALER URGED CONTACT TO CALL THE MANUFACTURER, AND THEY SAID THEY WOULD LOOK INTO IT. THE CONTACT SUSTAINED INJURIES. THE POLICE WERE CALLED. THE CHECK ENGINE LIGHT CAME ON EVER SINCE SHE BOUGHT THE VEHICLE. SHE HAD THE SENSORS REPLACED AT LEAST SIX TIMES BECAUSE THE LIGHT KEPT COMING ON. SHE SAID THE AIR BAG LIGHT NEVER CAME ON. *AK *NM
CONSUMER WAS TRAVELING ABOUT 50MPH ON HIGHWAY AND THERE WAS A BRANCH LOG ON HIGHWAY, AND VEHICLE WENT DOWN AN ENBANKMENT AND HIT A TREE. VEHICLE ROLLED THREE TIMES. DUAL AIRBAGS DIDN'T DEPLOY. VEHICLE WAS TOTALED. *AK
Too few reports in this category for a page of its own — they appear in the full complaint list.
Tires & wheels
Reports naming tires, wheels, hubs, or the tire-pressure monitoring system.
From owner reports, verbatim
PURCHASED (4) PIRELLI STR-A' S FROM THE TIRE RACK. THEY WERE INSTALLED BY MERCHANTS TIRE. THE FIRST LOCATION DIDN'T CHARGE ME BECAUSE THE COULDN'T GET THE TIRES TO BALANCE. THE SECOND LOCATION FOUND ONE TIRE WAVY AND EACH TIRE TOOK FROM 4.5 TO 8 OZ OF WEIGHT. I STILL HAD A VIBRATION IN THE SEAT OF THE VEHICLE. THE TIRE RACK WOULD NOT REPLACE MORE THAN ONE TIRE AT A TIME. REPLACEING ONE TIRE TOOK CARE OF THE VIBRATION. I RETURNED FOR THE FIRST ROTATION AND BALANCE, MERCHANTS SAID THAT THEY WOULD NOT PUT THE REAR TIRES ON THE FRONT BECAUSE EACH TIRE HAS 8 OZ'S OF WEIGHT. I TOLD THEM TO DO IT ANYWAY BECAUSE I HAD TO FOLLOW PIRELLI'S REQUIREMENTS OF ROTATION. ARE THESE TIRES HEADING FOR SELF DESTRUCTION WITH THIS MUCH WEIGHT??? I HAVE E-MAILED PIRELLI, BUT NO ONE REPLIED. *AK
Too few reports in this category for a page of its own — they appear in the full complaint list.
Heating & air conditioning
Reports naming the heating, ventilation and air-conditioning system.
From owner reports, verbatim
2001 INFINITI QX4. CONSUMER STATES THE FRONT RIGHT SIDE OF THE UNIBODY FRAME HAS RUSTED OUT DANGEROUSLY AT THE AREA OF THE LOWER CONTROL ARM INTERSECTION *TGW THE CONSUMER STATED THE FRAME HAD TO BE RE-WELDED. THE CONSUMER WAS INFORMED THE AIR CONDITIONING DRAIN LINE DRIPPED DIRECTLY ON THE SPOT OF THE CORROSION. *JB
Too few reports in this category for a page of its own — they appear in the full complaint list.
Exterior lighting
Reports naming headlights, tail lights, turn signals and other exterior lighting.
From owner reports, verbatim
FRONT TURN SIGNALS ARE NOT ABLE TO BE SEEN FROM SIDE OF VEHICLE. DEALER HAS SEEN, AND SAID IT WAS NOT A PROBLEM. *AK *SLC
Too few reports in this category for a page of its own — they appear in the full complaint list.
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
Elsewhere on this vehicle
Data sources
- NHTSA Office of Defects Investigation — owner-reported complaints and the components recorded on them
Data on this page last refreshed .