CHECK ENGINE LIGHT ON, BOTH CATALYTIC CONVERTERS NEEDED REPLACING.
2011 Infiniti QX56
Owner reports · Recalls · Investigations
Similar to other model years
Owner complaints for the 2011 Infiniti QX56 do not stand out strongly from the model-year median of 55.
About this comparison →How this year compares
Owner complaints by model year
Compare all QX56 years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
62 reports with mileage · 16 unknown
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Engine. Review the 37 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Fuel/propulsion System. Review the 18 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Suspension. Review the 9 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
Fuel/propulsion System complaints
18 reportsTIMING CHAIN FAILURE AND ALSO CATALYTIC CONVERTERS FAILED.
CATALYTIC CONVERTER ISSUES CAUSING THE CHECK ENGINE LIGHT TO COME ON
I HAVE A FAILED FUEL RAIL PRESSURE SENSOR WHICH IS PART OF A VOLUNTARY SAFETY RECALL THAT WAS DONE IN 2012. I CALLED THE MANUFACTURER TO INFORM THEM ABOUT MY FUEL SENSOR THEY TOLD ME THAT MY CAR ISN'T PART OF THE RECALL BECAUSE THEIR ENGINEERS DETERMINED THAT IT WASN'T PART OF THE RECALL! I'M NOT SURE HOW THEY DETERMINED THAT …
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I HAVE A FAILED FUEL RAIL PRESSURE SENSOR WHICH IS PART OF A VOLUNTARY SAFETY RECALL THAT WAS DONE IN 2012. I CALLED THE MANUFACTURER TO INFORM THEM ABOUT MY FUEL SENSOR THEY TOLD ME THAT MY CAR ISN'T PART OF THE RECALL BECAUSE THEIR ENGINEERS DETERMINED THAT IT WASN'T PART OF THE RECALL! I'M NOT SURE HOW THEY DETERMINED THAT OUT OF ALL CARS PRODUCED THAT YEAR. NOW I'M STUCK WITH A CAR I CAN'T DRIVE UNLESS I TAKE IT TO THE DEALERSHIP AND SPEND MONEY TO GET IT FIXED. MY ONLY HOPE NOW IS THAT SOMEONE FROM NHTSA CAN HELP ME OUT AND GET THEM TO FIX THEIR DEFECTIVE PART! THANKS
INFINITI/NISSAN ISSUED A RECALL BACK IN 2010 (RECALL ID#10V074000) FOR FUEL GAUGE/SENSOR SENDING UNIT PROBLEM. THE SAME ISSUE IS HAPPENING ON LATER YEAR VEHICLES, BUT NO RECALL HAS BEEN ISSUED. THERE ARE ENDLESS REPORTS ON THE WEB ACROSS MANY FORUMS WHERE PEOPLE ARE HAVING THE SAME PROBLEM FOR SOMETHING THAT HAS BEEN RECALLED …
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INFINITI/NISSAN ISSUED A RECALL BACK IN 2010 (RECALL ID#10V074000) FOR FUEL GAUGE/SENSOR SENDING UNIT PROBLEM. THE SAME ISSUE IS HAPPENING ON LATER YEAR VEHICLES, BUT NO RECALL HAS BEEN ISSUED. THERE ARE ENDLESS REPORTS ON THE WEB ACROSS MANY FORUMS WHERE PEOPLE ARE HAVING THE SAME PROBLEM FOR SOMETHING THAT HAS BEEN RECALLED BEFORE. SEE NOTES FROM PAST RECALL. RECALL ID # 10V074000 - FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM RECALL DATE: MAR 03, 2010 SUMMARY: NISSAN IS RECALLING CERTAIN MODEL YEAR 2005-2009 TITAN, ARMADA, AND INFINITI QX56 VEHICLES. THE INSTRUMENT PANEL FUEL GAUGE MAY INACCURATELY DISPLAY THAT THE VEHICLE STILL HAS SOME FUEL, TYPICALLY ABOUT ONE QUARTER TANK, WHEN THE FUEL TANK IS EMPTY. CONSEQUENCE: THIS COULD CAUSE THE VEHICLE TO RUN OUT OF GAS AND STALL ON THE HIGHWAY, WHICH COULD CAUSE A CRASH. IS THIS NO LONGER A SAFETY CONCERN? SAME ISSUE, JUST LATER MODELS... MINE SPECIFICALLY IS A 2011 AND I NEVER KNOW HOW MUCH GAS IS IN IT. IT FLUCTUATES AND SHOWS EMPTY WHEN IT'S NOT AND SHOWS FULL WHEN IT'S NOT. PLEASE INVESTIGATE AND ADVISE THE MANY OWNERS THAT ARE HAVING THIS PROBLEM.
FUEL LEVELING SENSOR IS FAULTY IN A LARGE VARIETY OF INFINITI CARS, BUT THERE IS NOT RECALL FOR MY VIN. THE CAR'S FUEL GAUGE GOES UP AND DOWN ALL THE TIME AND TELLS ME I'M ON EMPTY WHEN I'M NOT AND NEVER REGISTERS FULL EVEN WHEN IT WAS JUST FILLED UP. IT CAN JUMP FROM READING 330 MILES LEFT TO EMPTY DOWN TO 299 AND BACK UP TO 33…
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FUEL LEVELING SENSOR IS FAULTY IN A LARGE VARIETY OF INFINITI CARS, BUT THERE IS NOT RECALL FOR MY VIN. THE CAR'S FUEL GAUGE GOES UP AND DOWN ALL THE TIME AND TELLS ME I'M ON EMPTY WHEN I'M NOT AND NEVER REGISTERS FULL EVEN WHEN IT WAS JUST FILLED UP. IT CAN JUMP FROM READING 330 MILES LEFT TO EMPTY DOWN TO 299 AND BACK UP TO 330 IN JUST A FEW SECONDS. THE DIAGNOSTIC CONFIRMED A PROBLEM, BUT THEY WANT OVER $1,000 TO FIX A KNOWN PROBLEM IN MANY OF THEIR MAKES AND MODELS. THIS DOESN'T EVEN TOUCH ON THE TIMING CHAIN ISSUE THAT IS FAULTY AS WELL. LUCKILY, THERE IS A RECALL FOR THAT ONE. HOW IS THE CONSUMER PROTECTED AGAINST THIS TYPE OF FAULTY PARTS? IS THERE ANYTHING WE CAN DO? WE HAVE BEEN TOLD WE NEED TO REPLACE THE FUEL PUMP.
FUEL LINE FAILURE: A FUEL LINE FITTING/CLAMP ON BACK SIDE OF ENGINE (DRIVERS SIDE) IS STREAMING FUEL AT A RATE OF APPROXIMATELY 1/2 CUP PER MINUTE. WHILE BRING MY KIDS TO SCHOOL THIS MORNING, I NOTICED A STRONG SMELL OF GASOLINE, SO I CHECKED UNDERNEATH AND SAW GAS STEADILY STREAMING FROM THE CAR AND FORMING A PUDDLES,I AM HAVI…
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FUEL LINE FAILURE: A FUEL LINE FITTING/CLAMP ON BACK SIDE OF ENGINE (DRIVERS SIDE) IS STREAMING FUEL AT A RATE OF APPROXIMATELY 1/2 CUP PER MINUTE. WHILE BRING MY KIDS TO SCHOOL THIS MORNING, I NOTICED A STRONG SMELL OF GASOLINE, SO I CHECKED UNDERNEATH AND SAW GAS STEADILY STREAMING FROM THE CAR AND FORMING A PUDDLES,I AM HAVING THE CAR TOWED TO DEALER'S GARAGE FOR REPAIR LATER THIS WEEK. THE CAR HAS NEVER BEEN IN AN ACCIDENT. THE FUEL LINE LEAK MAY BE RELATED INFINITI'S RECALL: NHTSA ID: 14V-683.
FUEL LINE FAILURE: A FUEL LINE FITTING/CLAMP ON BACK SIDE OF ENGINE (DRIVERS SIDE) IS STREAMING FUEL AT A RATE OF APPROXIMATELY 1/2 CUP PER MINUTE. WHILE STARTING MY CAR THIS MORNING, I NOTICED A STRONG SMELL OF GASOLINE, SO I CHECKED UNDERNEATH AND SAW GAS STEADILY STREAMING FROM THE CAR AND FORMING A 2 FOOT DIAMETER PUDDLE. …
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FUEL LINE FAILURE: A FUEL LINE FITTING/CLAMP ON BACK SIDE OF ENGINE (DRIVERS SIDE) IS STREAMING FUEL AT A RATE OF APPROXIMATELY 1/2 CUP PER MINUTE. WHILE STARTING MY CAR THIS MORNING, I NOTICED A STRONG SMELL OF GASOLINE, SO I CHECKED UNDERNEATH AND SAW GAS STEADILY STREAMING FROM THE CAR AND FORMING A 2 FOOT DIAMETER PUDDLE. I AM HAVING THE CAR TOWED TO DEALER'S GARAGE FOR REPAIR LATER THIS WEEK. THE CAR HAS APPROXIMATELY 25000 MILES AND HAS NEVER BEEN IN AN ACCIDENT. THE FUEL LINE LEAK MAY BE RELATED INFINITI'S RECALL: NHTSA ID: 14V-683.
Official recalls
226V455000 · Equipment:other:labels
Jul 15, 2026
Nissan North America, Inc. (Nissan) is recalling certain 2020-2026 Nissan Armada, 2011-2013 Infiniti QX56, and 2014-2027 QX80 vehicles equipped with 22" wheels. The Gross Axle Weight Rating (GAWR) listed on the certification label is incorrect, which can allow the vehicle to be overloaded. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 110, "Tire Selection and Rims."
Consequence & remedy
Consequence: An overloaded vehicle can increase the risk of a crash.
Remedy: Dealers will install new labels, free of charge. Additionally, Nissan will mail replacement labels to owners. Interim letters notifying owners of the safety risk were mailed September 2, 2026. Additional letters will be sent once the final remedy is available, anticipated Fall 2026. Owners may contact Nissan customer service at 1-800-867-7669. Nissan's numbers for this recall are R26B1 and P6A13/4. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on July 16, 2026.
20V188000 · Air Bags:frontal:driver Side:inflator Module
Mar 30, 2020
Nissan North America, Inc. (Nissan) is recalling certain 2012-2017 NV Cargo and NV Passenger Van, 2013-2015 Titan and Armada and 2011-2012 Infiniti QX56 vehicles. Due to a manufacturing issue, the air bag inflator may not function properly or may rupture during deployment.
Consequence & remedy
Consequence: An inflator rupture may result in metal fragments striking the driver or other occupants resulting in serious injury or death.
Remedy: Nissan will notify owners, and dealers will replace the front driver air bag inflators, free of charge. The recall began May 7, 2020. Owners may contact Nissan customer service at 1-800-867-7669 or Infiniti customer service at 1-800-662-6200.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0No exact-year investigations in this snapshot.
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