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2003 Infiniti G35

Owner reports · Recalls · Investigations

More warning signs than most G35 years

Owner complaints for the 2003 Infiniti G35 are substantially higher than the model-year median of 129.5.

About this comparison →

When problems were reported

Mileage at the reported incident

419 reports with mileage · 114 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.

  • Electrical System. Review the 220 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Visibility. Review the 68 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine And Engine Cooling. Review the 67 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

15 crash reports5 fire reports4 injury reports

What owners actually said

533 reports
Mileage unknown · Mar 23, 2010
Service Brakes, Hydraulic

2003 G35 AND Q45 INFINITI WITH BRAKE PROBLEMS. *TGW THE CONSUMER STATED THE PROBLEM WITH THE Q45 WAS EXTREME VIBRATIONS WHEN APPLYING THE BRAKE; PARTICULARLY AT SPEEDS OVER 50 MPH. ON DOWN-HILL BRAKING, THE SHUDDER VIBRATION WAS PASSED ON TO THE STEERING WHEEL. *JB

NHTSA ODI #10320910

Mileage unknown · Mar 19, 2010
Visibility

I HAVE AN INFINITI G35 (2003) THAT HAS SUDDENLY HAD PROBLEMS WITH THE HEAT AND AIR CONTROLS. WHEN THE PROBLEM STARTED, IT WOULD GO OUT AFTER THE CAR WAS ON FOR MORE THAN 10 MINUTES. NOW, THE CONTROLS DO NOT WORK AT ALL. THIS CAN POTENTIALLY CREATE A SAFETY PROBLEM FOR A DRIVER WHEN THE WINDSHIELD FOGS UP IN EITHER COLD WEATHE…

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I HAVE AN INFINITI G35 (2003) THAT HAS SUDDENLY HAD PROBLEMS WITH THE HEAT AND AIR CONTROLS. WHEN THE PROBLEM STARTED, IT WOULD GO OUT AFTER THE CAR WAS ON FOR MORE THAN 10 MINUTES. NOW, THE CONTROLS DO NOT WORK AT ALL. THIS CAN POTENTIALLY CREATE A SAFETY PROBLEM FOR A DRIVER WHEN THE WINDSHIELD FOGS UP IN EITHER COLD WEATHER CONDITIONS (AFTER BEING GARAGED) OR HUMID WEATHER CONDITIONS AFTER A RAIN SHOWER IN THE HOT SUMMER. THIS IS A SERIOUS SAFETY ISSUE WHEN THE WINDSHIELD FOGS UP AS THE DRIVER IS OPERATING THE VEHICLE. AFTER DOING AN INTERNET SEARCH ABOUT THIS PROBLEM, I FOUND THAT THERE ARE LITERALLY THOUSANDS OF OTHER 2003 G35 OWNERS WITH THE SAME PROBLEM. ALSO, INFINITI KNOWS OF THE PROBLEM AND THE SAFETY CONCERN, BUT HAS NOT DONE ANYTHING ABOUT IT TO FIX THE PROBLEM FOR ALL VEHICLES IN WHICH THIS OCCURS. THERE WAS ONLY A VOLUNTARY POSTING AND IT ONLY INCLUDED VEHICLES MADE IN A CERTAIN TIME PERIOD. OBVIOUSLY, THE TIMEFRAME ESTABLISHED BY INFINITI IS NOT CORRECT AS THERE ARE MANY CASES WHERE THIS DEFECT IS STILL OCCURRING. THIS SAFETY CONCERN NEEDS TO BE ADDRESSED AND CORRECTED. I HAVE NOT HAD A CRASH AS A RESULT OF THIS DEFECT, BUT I DO NOT WANT TO HAVE ONE IN THE FUTURE. OTHERS WITH THE SAME PROBLEM MOST LIKELY FEEL THE SAME WAY......SOME MAY HAVE ACTUALLY HAD A CRASH BECAUSE OF THIS DEFECT. THIS SHOULD BE INVESTIGATED. *TR

NHTSA ODI #10321007

35,000 miles · Mar 12, 2010
Vehicle Speed Control

TL* THE CONTACT OWNS A 2003 INFINITI G35. WHILE APPROACHING AN INTERSECTION AT SPEEDS OF 55 MPH AND DEPRESSING THE BRAKE PEDAL, THE VEHICLE BEGAN TO ABNORMALLY ACCELERATE. SHE ATTEMPTED TO APPLY PRESSURE TO THE BRAKE PEDAL TO NO AVAIL. A PEDESTRIAN WAS IN HER PATH WHEN SHE FORCED THE VEHICLE INTO THE PARK POSITION TO AVOID HI…

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TL* THE CONTACT OWNS A 2003 INFINITI G35. WHILE APPROACHING AN INTERSECTION AT SPEEDS OF 55 MPH AND DEPRESSING THE BRAKE PEDAL, THE VEHICLE BEGAN TO ABNORMALLY ACCELERATE. SHE ATTEMPTED TO APPLY PRESSURE TO THE BRAKE PEDAL TO NO AVAIL. A PEDESTRIAN WAS IN HER PATH WHEN SHE FORCED THE VEHICLE INTO THE PARK POSITION TO AVOID HITTING HIM. IMMEDIATELY, THERE WAS A SUDDEN AND ABNORMAL INCREASE IN THE ENGINE RPMS ACCOMPANIED BY A LOUD NOISE. SHE SHUT THE ENGINE OFF AND RESTARTED THE VEHICLE AND WITHIN A FEW MOMENTS, THE VEHICLE WAS FUNCTIONING NORMALLY. THE DEALER COULD NOT DUPLICATE THE FAILURE. NO REPAIRS WERE MADE. THE MANUFACTURER WOULD NOT OFFER ANY ASSISTANCE. THE FAILURE MILEAGE WAS 35,000 AND THE CURRENT MILEAGE WAS 78,000.

NHTSA ODI #10319214

100,000 miles · Mar 11, 2010
Electrical SystemEquipment

MY 2003 INFINITY G35 SEDAN'S HEATER WILL STAY ON HIGH WITH THE RADIO AND HEATING CONTROL REMOVED. I CAN ACCESS THE RADIO THROUGH THE STEREO, BUT HAVE NO DASHBOARD CONTROLS OF THE RADIO OR AC AT ALL. *TR DEALERSHIP WANTS "PRE-PAID" A $700 AUDIO FINISHER/CIRCUIT BOARD. WHEN THE PART CAME IN, THEY WOULD INSTALL IT, AND IF THE R…

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MY 2003 INFINITY G35 SEDAN'S HEATER WILL STAY ON HIGH WITH THE RADIO AND HEATING CONTROL REMOVED. I CAN ACCESS THE RADIO THROUGH THE STEREO, BUT HAVE NO DASHBOARD CONTROLS OF THE RADIO OR AC AT ALL. *TR DEALERSHIP WANTS "PRE-PAID" A $700 AUDIO FINISHER/CIRCUIT BOARD. WHEN THE PART CAME IN, THEY WOULD INSTALL IT, AND IF THE RADIO/CD PLAYER WAS DEFECTIVE, IT WOULD FRY THE FINISHER IMMEDIATELY, BUT THEN THEY WOULD KNOW THAT THE RADIO WAS BAD, AND WOULD SEND IT OUT FOR A RE-BUILD FOR APPROXIMATELY $350 AND TWO WEEKS WORTH OF WAITING WITH NO TUNES OR VENTILATION SYSTEM. PLUS LABOR, OF COURSE.

NHTSA ODI #10318845

66,000 miles · Mar 10, 2010
Latches/locks/linkages

FRONT DRIVERS DOOR ONLY INTERMITTENTLY LOCKS AND UNLOCKS USING A REMOTE. THIS PROBLEM JUST STARTED OCCURRING. HAVE 66000 MILES ON MY INFINITY G-35. PROBLEM CAUSES SAFETY CONCERN SINCE YOU NEVER KNOW IF YOUR DOOR IS LOCKED OR UNLOCKED WITHOUT MANUAL INTERVENTION. *TR

NHTSA ODI #10318498

Mileage unknown · Mar 4, 2010
Fuel System, Gasoline

I OWN A 2003 INFINITI G35 COUPE WITH APPROXIMATELY 75,000 MILES ON IT. ON MARCH 3, 2010, I READ AN ARTICLE ABOUT A RECALL OF NISSAN AND INFINITI (QX56) VEHICLES REGARDING FAULTY FUEL GAUGE SENDING UNITS LEADING TO AN IMPROPER FUEL LEVEL BEING DISPLAYED IN THE VEHICLE. MY G35 HAS EXHIBITED FLUCTUATIONS IN THE FUEL GAUGE SINCE PUR…

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I OWN A 2003 INFINITI G35 COUPE WITH APPROXIMATELY 75,000 MILES ON IT. ON MARCH 3, 2010, I READ AN ARTICLE ABOUT A RECALL OF NISSAN AND INFINITI (QX56) VEHICLES REGARDING FAULTY FUEL GAUGE SENDING UNITS LEADING TO AN IMPROPER FUEL LEVEL BEING DISPLAYED IN THE VEHICLE. MY G35 HAS EXHIBITED FLUCTUATIONS IN THE FUEL GAUGE SINCE PURCHASING THE VEHICLE IN AUGUST OF 2009. WHEN THE GAUGE GETS TO BELOW ONE-QUARTER OF A TANK OF GAS, THE NEEDLE SLOWLY BOTTOMS OUT BELOW THE EMPTY LINE, BUT I KNOW I HAVE PLENTIFUL FUEL IN THE TANK. ADDITIONALLY, WHEN I PUT ADDITIONAL GAS IN THE TANK, THE GAUGE IS SLOW TO MOVE ABOVE THE EMPTY LINE. I KNOW MY G35 IS NOT PART OF THE RECALL, BUT I WAS WONDERING IF THIS VEHICLE COULD ALSO BE FITTED WITH FAULTY SENDING UNITS AND SHOULD BE CONSIDERED FOR A RECALL AS WELL. *TR

NHTSA ODI #10316762

Mileage unknown · Mar 2, 2010
Electrical System

ELECTRICAL. RADIO SHUTS AND IT CONTROLS ALL OF THE INTERIOR CONTROLS. *TR

NHTSA ODI #10315465

5,000 miles · Feb 24, 2010
Engine And Engine Cooling

THIS IS A BIG PROBLEM WITH THIS ENGINE, THEY HAVE A EXCESSIVE OIL CONSUMPTION PROBLEM. MY G35 CONSUME 1 QUART OF OIL EVERY 500 MILES , THE CAR ONLY HAVE 66,000 ORIGINAL MILES ON IT, INFINITI TOLD ME THERE IS NOTHING THEY CAN DO DUE TO THE CAR IS OUT OF WARRANTY, READ ON FORUMS ABOUT THE SAME ISSUE AND THERE IS THOUSANDS OF INFIN…

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THIS IS A BIG PROBLEM WITH THIS ENGINE, THEY HAVE A EXCESSIVE OIL CONSUMPTION PROBLEM. MY G35 CONSUME 1 QUART OF OIL EVERY 500 MILES , THE CAR ONLY HAVE 66,000 ORIGINAL MILES ON IT, INFINITI TOLD ME THERE IS NOTHING THEY CAN DO DUE TO THE CAR IS OUT OF WARRANTY, READ ON FORUMS ABOUT THE SAME ISSUE AND THERE IS THOUSANDS OF INFINITI G35 OWNER WITH THE SAME PROBLEM, AND INFINITI HAS NOT DO ANYTHING ABOUT IT . THERE ARE PEOPLE THAT HAS RUN THEIR G35 3,000 MILE AND HAS DAMAGE THE ENGINE COMPLETELY DUE TO THE OIL CONSUMPTION PROBLEM AND INFINITI HAS TURN THEM DOWN. TELLING THEM THERE IS NOTHING THEY CAN DO, I THINK SOMEONE SHOULD INVESTIGATE THIS ISSUE BECAUSE THERE IS A LOT INFINITI G35 OWNER THAT PAID A LOT OF MONEY FOR A DAMAGE CAR. *TR

NHTSA ODI #10313820

Mileage unknown · Feb 8, 2010
Electrical System

MY AC/RADIO WOULD TURN OFF AND ON BY ITSELF. I WOULD HAVE NO CONTROL OVER THE HEAT/AC TEMPERATURE IN MY CAR NOR THE FAN LEVELS. SOMETIMES WHEN THIS PROBLEM WAS OCCURRING, I COULD CONTROL THE RADIO WITH THE STEERING WHEEL CONTROLS. THIS STARTED IN THE FALL OF 08'. AS TIME WENT ON THE PROBLEM BECAME MORE FREQUENT AND WOULD ONLY B…

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MY AC/RADIO WOULD TURN OFF AND ON BY ITSELF. I WOULD HAVE NO CONTROL OVER THE HEAT/AC TEMPERATURE IN MY CAR NOR THE FAN LEVELS. SOMETIMES WHEN THIS PROBLEM WAS OCCURRING, I COULD CONTROL THE RADIO WITH THE STEERING WHEEL CONTROLS. THIS STARTED IN THE FALL OF 08'. AS TIME WENT ON THE PROBLEM BECAME MORE FREQUENT AND WOULD ONLY BE CORRECTED IF I TURNED THE CAR OFF THEN ON AGAIN. SINCE EARLY FALL 09' I NO LONGER HAVE ANY CONTROL OVER THE AC/RADIO AT ALL. MY AC UNIT HAS BEEN STUCK AT 75 DEGREES AND CONTINUOUSLY BLOWS AIR, AT DIFFERENT LEVELS. SOMETIMES IT'S AT HIGH AND I HAVE TO OPEN A WINDOW TO BRING COOL AIR IN AND SOMETIMES IT RUNS AT A LOW FAN SPEED. LAST SUMMER IT WAS NOT THAT BAD BECAUSE THE PROBLEM WAS NOT PERMANENT PROBLEM AT THAT POINT, IT WAS JUST MORE OF AN ANNOYANCE. THIS YEAR I FEAR THAT I COULD BE IN TROUBLE DUE TO THE TEMPERATURE BEING STUCK AT 75 DEGREES AND THE HOT TEMPERATURES HERE IN PHOENIX, MY FEAR IS THAT I WILL EXPERIENCE HEAT EXHAUSTION AS I AM DRIVING AND POSSIBLY BECOME ILL OR PASS OUT WHILE DRIVING.

NHTSA ODI #10307485

55,000 miles · Feb 5, 2010
Electrical System

THE A/C CONTROLS, DEFROST, RADIO CONTROLS ON MY INFINITI G35 STOPPED WORKING. NO BUTTONS ON THE CONSOLE WILL WORK. INFINITI SAYS THAT THE CIRCUIT BOARD HAS MALFUNCTIONED CAUSING ALL OF THE CONTROLS ON THE CONSOLE INCLUDING THE DEFROST, HEATING AND AIR AND STEREO CONTROLS. *TR

NHTSA ODI #10306860

Official recalls

5

05V555000 · Fuel System, Gasoline

Dec 13, 2005

ON CERTAIN PASSENGER AND SPORT UTILITY VEHICLES, THE FUEL FILLER HOSE MAY CRACK AND RESULT IN FUEL LEAKAGE FROM THE HOSE WHILE REFUELING.

Consequence & remedy

Consequence: FUEL LEAKAGE IN THE PRESENCE OF AN IGNITION SOURCE COULD RESULT IN A FIRE.

Remedy: DEALERS WILL REPLACE THE FUEL FILLER HOSE. RECALL BEGAN ON FEBRUARY 27, 2006, FOR NISSAN OWNERS, AND ON MARCH 13, 2006, FOR INFINITI OWNERS. OWNERS MAY CONTACT NISSAN AT 1-800-647-7261 OR INFINITI AT 1-800-662-6200.

03V455000 · Engine And Engine Cooling

Nov 17, 2003

ON CERTAIN PASSENGER VEHICLES, THE CIRCUIT BOARD FOR THE CRANK POSITION SENSOR OR CAM POSITION SENSOR MAY HAVE AN IMPROPER SOLDER JOINT DUE TO SOLDER DEFORMATION CAUSED BY HEAT STRESS ACCELERATED BY THE EXISTENCE OF FLUX RESIDUE DURING THE SOLDERING PROCESS.

Consequence & remedy

Consequence: THIS COULD CAUSE THE "SERVICE ENGINE SOON" WARNING LIGHT TO COME ON, CREATE A NO START CONDITION, CAUSE REDUCED ENGINE POWER, OR CAUSE THE ENGINE TO STOP RUNNING WITHOUT WARNING DURING VEHICLE OPERATION, WHICH COULD RESULT IN A CRASH.

Remedy: DEALERS WILL REPLACE THE CRANK POSITION SENSORS. CAMSHAFT POSITION SENSOR(S), AND IN SOME CASES, THE VARIABLE TIMING CONTROL SENSOR(S). VEHICLES INVOLVED IN A PREVIOUS RECALL CAMPAIGN, 01V357, ARE ALSO INCLUDED IN THIS NEW CAMPAIGN. THE REPLACEMENT SENSORS USED IN THAT CAMPAIGN ARE ALSO AFFECTED. OWNER NOTIFICATION BEGAN ON DECEMBER 22, 2003. OWNERS SHOULD CONTACT NISSAN AT 1-800-647-7261 OR INFINITI AT 1-800-662-6200.

03V200000 · Exterior Lighting:brake Lights:switch

Jun 2, 2003

ON CERTAIN SEDAN AND COUPE MODEL VEHICLES, THE BRAKE STOP LAMP SWITCH MAY MALFUNCTION.

Consequence & remedy

Consequence: IF THIS OCCURS, THE BRAKE LAMPS WILL NOT ILLUMINATE WHEN THE BRAKE IS APPLIED, WHICH COULD RESULT IN A CRASH WITHOUT WARNING.

Remedy: DEALERS WILL REPLACE THE BRAKE LAMP SWITCH. OWNER NOTIFICATION BEGAN ON JUNE 23, 2003. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT INFINITI AT 1-800-662-6200.

02V331000 · Exterior Lighting:headlights

Dec 12, 2002

CERTAIN SEDANS FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, "LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT." IN THE ASSEMBLY OF THE HEADLAMPS, IT IS NECESSARY TO HAVE A MEANS TO ADJUST THE HEADLAMPS. TAMPERPROOF CAPS TO PREVENT HORIZONTAL ADJUSTMENT OF THE HEADLAMPS ARE THEN INSTALLED. SOME OF THESE VEHICLES ARE MISSING THE TAMPERPROOF CAPS.

Consequence & remedy

Consequence: Not supplied

Remedy: DEALERS WILL INSTALL THE MISSING TAMPERPROOF CAPS ON THE HEADLAMP ASSEMBLIES. OWNER NOTIFICATION BEGAN JANUARY 20, 2003. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT INFINITI AT 1-800-662-6200.

02V245000 · Fuel System, Gasoline:delivery:hoses, Lines/piping, And Fittings

Sep 12, 2002

ON CERTAIN PASSENGER VEHICLES, THE FUEL HOSE CONNECTION FOR THE OUTLET OF THE FUEL PUMP WHICH IS LOCATED AT THE TOP OF THE FUEL TANK MAY NOT HAVE BEEN PROPERLY ATTACHED WHEN THE VEHICLE WAS ASSEMBLED AND COULD COME LOOSE WHILE DRIVING OR WHEN STARTING THE ENGINE.

Consequence & remedy

Consequence: IF THE CONNECTION COMES LOOSE WHILE DRIVING, THE ENGINE WILL STOP RUNNING DUE TO LACK OF FUEL, INCREASING THE RISK OF A CRASH. ALSO, IF THE CONNECTION COMES LOOSE WHILE DRIVING OR ATTEMPTING TO START OR RESTART THE ENGINE, SOME FUEL WILL DISCHARGE FROM THE FUEL PUMP. IF THIS SHOULD OCCUR IN THE PRESENCE OF AN EXTERNAL IGNITION SOURCE, A FIRE COULD RESULT.

Remedy: DEALERS WILL INSPECT AND, IF NECESSARY, PROPERLY ATTACH THE FUEL HOSE TO THE FUEL PUMP. OWNER NOTIFICATION IS EXPECTED TO BEGIN OCTOBER 7, 2002. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT INFINITI 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

0

No exact-year investigations in this snapshot.