2004 Infiniti G35 problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
244 owner complaints analyzed
1 distinct recall campaigns
60,900 mi median reported failure mileage
Scope: 2004 model year. Data snapshot: . 192 complaints include usable failure mileage.
Most common problems
Engine is the most frequently named component, appearing in 43 of 244 complaints (17.6%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 78 | 32.0% |
| Engine operation | 29 | 11.9% |
| Steering behavior | 17 | 7.0% |
| Transmission and shifting | 13 | 5.3% |
| Fuel system concerns | 7 | 2.9% |
| Electrical and battery issues | 5 | 2.0% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Engine | 43 |
| Electrical System | 41 |
| Exterior Lighting | 39 |
| Air Bags | 21 |
| Service Brakes | 17 |
| Unknown Or Other | 17 |
| Vehicle Speed Control | 17 |
| Engine And Engine Cooling | 14 |
Engine: 43; Electrical System: 41; Exterior Lighting: 39; Air Bags: 21; Service Brakes: 17; Unknown Or Other: 17; Vehicle Speed Control: 17; Engine And Engine Cooling: 14
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 44 |
| 25,000 to 49,999 | 32 |
| 50,000 to 74,999 | 38 |
| 75,000 to 99,999 | 26 |
| 100,000 to 149,999 | 39 |
| 150,000 and above | 13 |
Under 25,000: 44; 25,000 to 49,999: 32; 50,000 to 74,999: 38; 75,000 to 99,999: 26; 100,000 to 149,999: 39; 150,000 and above: 13
Under 25,000 miles has the most reports with usable mileage (44). 52 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2003 | 5 |
| 2004 | 7 |
| 2005 | 18 |
| 2006 | 6 |
| 2007 | 18 |
| 2008 | 10 |
| 2009 | 12 |
| 2010 | 31 |
| 2011 | 26 |
| 2012 | 20 |
| 2013 | 13 |
| 2014 | 10 |
| 2015 | 20 |
| 2016 | 17 |
| 2017 | 9 |
| 2018 | 6 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 5 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 2 |
2003: 5; 2004: 7; 2005: 18; 2006: 6; 2007: 18; 2008: 10; 2009: 12; 2010: 31; 2011: 26; 2012: 20; 2013: 13; 2014: 10; 2015: 20; 2016: 17; 2017: 9; 2018: 6; 2019: 2; 2020: 3; 2021: 5; 2022: 3; 2023: 1; 2024: 2
Pattern summary
Engine leads the component reports. Braking behavior appears in 78 complaint narratives. Engine operation appears in 29 complaint narratives. Steering behavior appears in 17 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 10047159 · 2003-11-19 (November 19, 2003)
I HAVE A 2004 GS SEDAN WITH ABOUT 2000 MILES ON IT PURCHASED IN OCTOBER 2003. IN THE LAST FEW DAYS I HAVE HAD THREE OCCASIONS WHEN THE ACCELERATOR FLOOR BOARDED ITSELF WITH NO ACTION ON MY PART TO CAUSE SUCH BEHAVIOR. ON ONE OCCASION THE CAR WAS IN CRUISE CONTROL AT ABOUT 60, AND ACCELERATED TO 90 BEFORE I COULD GET THE CAR UNDER CONTROL. PUSHING THE BRAKE PEDAL DID NOT DISENGAGE THE ACTION. THE SECOND TIME THE CAR WAS IN CRUISE CONTROL AT ABOUT 50 AND THE SAME THING HAPPEN AS I GENTLY PRESSED THE ACCELERATOR TO PASS A CAR. THE ACCELERATOR UNEX…
Owner-reported narrative. 1,950 miles reported. Look up ODI 10047159 at NHTSA ↗
Owner report 10049428 · 2003-12-08 (December 8, 2003)
THIS IS A FURTHER COMPLAINT RELATIVE TO COMPLAINT 10047159 RELATED TO A NEW INFINITI G35 WITH LESS THAT 2000 MILES ON IT WHEN THREE INCIDENTS OCCURRED. THE INCIDENTS INVOLVED THREE OCCASIONS IN WHICH THE CAR SUDDEDLY AND UNEXPECTEDLY ACCELERATED TO VERY HIGH SPEEDS WITHOUT A ACTION BY THE DRIVER THAT SHOULD CAUSE SUCH ACCELERATIONS. IN TWO OF THE CASES THE CAR WAS IN SPEED CONTROL; IN ONE IT WAS NOT. 2 OF THE CASES: CAR IN SPEED CONTROL AT 60 MILES AN HOUR, FOOT WELL AWAY FROM ACCELERATOR. CAR SUDDENLY ACCELERATES FULL THROTTLE TO 90 MILES…
Owner-reported narrative. 1,950 miles reported. Look up ODI 10049428 at NHTSA ↗
Owner report 10119083 · 2005-04-22 (April 22, 2005)
ON TWO SEPARATE OCCASIONS THE ENGINE STALLED WHILE DRIVING 65 MPH OR MORE. THE VEHICLE WAS TAKEN TO THE DEALER. ON THE FIRST VISIT THE DEALER WAS NOT ABLE TO DUPLICATE THE PROBLEM. THE SECOND VISIT THE DEALER REPLACED THE COMPLETE THROTTLE BODY CHAMBER. THE PROBLEM APPEARS TO BE CORRECT AT THIS TIME. *JB
Owner-reported narrative. 1,085 miles reported. Look up ODI 10119083 at NHTSA ↗
Owner report 10141741 · 2005-11-04 (November 4, 2005)
HEAVY VIBRATIONS FROM THE TRANSMISSION/MOTOR WHEN STOPPED AND IN NEUTRAL W/O THE AIR ON. FEELS AS IF THE VEHICLE WANTS TO STALL WHEN IT VIBRATES. VIBRATIONS GET WORSE WHEN DRIVEN AT HIGH RPM'S. INFINITI DEALER TECH ADVISES THAT IT'S A TRANSMISSION PROBLEM BUT INFINITI'S CORPORATE OFFICE CLAIMS ITS NORMAL. *NM
Owner-reported narrative. 6,179 miles reported. Look up ODI 10141741 at NHTSA ↗
Owner report 10202901 · 2007-09-13 (September 13, 2007)
ON AUGUST 30, 2007, I WAS STOPPED AT A RED LIGHT IN MY 2004 INFINITI G35X AND WAS STRUCK FROM BEHIND WHILE STATIONARY WITH MY FOOT ON THE BRAKE. THE VEHICLE THAT STRUCK ME WAS TRAVELING AT A HIGH RATE OF SPEED ESTIMATED TO BE IN EXCESS OF 40MPH. THE IMPACT CRUSHED MY REAR BUMPER AND TRUNK AND DROVE MY VEHICLE INTO THE REAR OF THE SUV STOPPED IN FRONT OF ME, CRUSHING MY FRONT END AND INDUCING DEPLOYMENT OF THE PASSENGER AIR BAG ALTHOUGH THERE WAS NO ONE OCCUPYING THE PASSENGER SEAT. HOWEVER, THE DRIVER'S SIDE AIR BAG DID NOT DEPLOY IN THIS CO…
Owner-reported narrative. 31,500 miles reported. Look up ODI 10202901 at NHTSA ↗
Owner report 10233787 · 2008-07-10 (July 10, 2008)
2004 INFINITI G35 WITH ONLY 47000 REQUIRES 1 1/2 QUARTS OF OIL BETWEEN 3000 MILE OIL CHANGES AND INFINITI STATES THAT THIS IS NORMAL. ALSO RACK AND PINION STEERING HAD TO BE REPLACED. CAR STILL UNDER WARRANTY, BUT INFINITI REFUSES TO CHECK OIL USAGE. *TR
Owner-reported narrative. 45,000 miles reported. Look up ODI 10233787 at NHTSA ↗
Owner report 10047012 · 2003-11-16 (November 16, 2003)
AT 260 MILE TRANSMISSION SLIP ON ACCELERATION CLICKING NOISE INSIDE DASH. *LA
Owner-reported narrative. 260 miles reported. Look up ODI 10047012 at NHTSA ↗
Owner report 10093125 · 2004-09-23 (September 23, 2004)
2004 WITH APPROX. 7,200 MILES. RATTLING NOISE HEARD IN 1ST AND 2ND GEAR. DEALER SAID IT NEEDED NEW TRANNY. REPLACED TRANNY. PICKED UP CAR AND WHILE DRIVING HOME, COULD NOT GET IT INTO 5TH OR 6TH GEAR. BACK TO DEALER. WAS TOLD THAT TRANNY WAS BAD AND HAD TO BE REPLACED AGAIN. PICKED UP CAR AND WITHIN A WEEK HEARD A KNOCKING NOISE IN 5TH GEAR, VIBRATION IN STICK SHIFT AND A CLANKING NOISE WHEN APPLYING THE BRAKES FOR THE FIRST TIME AFTER CAR SITTING FOR A BIT. LATER FOUND OUT THAT DEALER LIED ABOUT INSTALLING THE 2ND TRANSMISSION. DEALER REFUSES …
Owner-reported narrative. 7,200 miles reported. Look up ODI 10093125 at NHTSA ↗
Owner report 10255002 · 2009-01-14 (January 14, 2009)
TL*THE CONTACT OWNS A 2004 INFINITI G35 COUPE. THE CONTACT SMELLS A STRONG ODOR OF GASOLINE AFTER THE IGNITION WAS STARTED. IN ADDITION, SHE MUST REFILL THE GASOLINE IN HER VEHICLE EVERY TWO DAYS. AFTER FILLING THE FUEL TANK, SHE NOTICED THAT THE FUEL INDICATOR WAS ILLUMINATED AFTER TWO DAYS. A MECHANIC STATED THAT THERE APPEARED TO BE AN ISSUE WITH THE GASOLINE SYSTEM. THROUGH ONLINE RESEARCH, THE CONTACT DISCOVERED NHTSA CAMPAIGN ID NUMBER 05V555000 (FUEL SYSTEM, GASOLINE); HOWEVER, THE MANUFACTURER STATED THAT HER VIN WAS NOT INCLUDED. …
Owner-reported narrative. 56,000 miles reported. Look up ODI 10255002 at NHTSA ↗
Owner report 10322661 · 2010-03-29 (March 29, 2010)
I WAS FILLING GAS ON MY 2004 INFINITI G35 COUPE. AFTER FILLING THE GAS TANK ($35 WORTH), I STARTED DRIVING OFF ONLY TO BE STOPPED BY ANOTHER DRIVER 100 FEET AWAY FROMTHE GAS STATION. THE DRIVER STOPPED ME TO LET ME KNOW THAT MY CAR WAS LEAKING GAS. AFTER LOOKING AT IT, GAS WAS JUST POURING FROM UNDERNEATH MY CAR, IN LESS THAN MINUTES MY GAS TANK WAS EMPTY AND THE CAR WILL NOT START. AFTER DOING SOME RESEARCH ONLINE, I READ THAT THERE ARE RECALLS ON THE 2004 INIFNITI G35 (FUEL LEAKAGE PROBLEMS). HOWEVER, AFTER CALLING INIFINITY, THEY WILL NOT A…
Owner-reported narrative. 17,000 miles reported. Look up ODI 10322661 at NHTSA ↗
Owner report 10125017 · 2005-06-11 (June 11, 2005)
I HAVE NOTICED THAT THE AIR FROM THE VENTS IS HEATED NO MATTER WHAT THE DESIRED TEMP SETTING. I HAVE ALSO NOTICED THAT AT TIMES I SMELL FUMES COMING THROUGH THE VENTS EVEN WHEN I AM NOT IN TRAFFIC. I DECIDED TO INVESTIGATE WHERE THE AIR INTAKE IS DRAWN INTO THE CAR, AND TO MY SURPRISE, THE AIR IS BEING TAKEN THROUGH THE BATTERY COMPARTMENT ON THE PASSENGER SIDE AND THE MASTER CYLINDER COMPARTMENT ON THE DRIVER SIDE. I FIND IT UNBELIEVABLE THAT THE AIR BEING FED TO THE PASSENGER COMPARTMENT IS COMING FROM UNDER THE HOOD - WORSE FROM THE BATTERY …
Owner-reported narrative. Look up ODI 10125017 at NHTSA ↗
Owner report 10370785 · 2010-12-15 (December 15, 2010)
2004 INFINITI G35 COUPE: ELECTRICAL ISSUE IN CENTER OF VEHICLE, THE AIR VENTS, HEAT, DEFROST WILL NOT OPERATE AND AT TIMES COME ON AUTOMATICALLY INCLUDING COLD AIR AND CAUSING FILM ON THE DASH MAKING IT INCREDIBLY DIFFICULT TO SEE. WAS TOLD BY INFINITI DEALER THIS EXISTS IN OVER 90% OF MODELS THIS YEAR AND TYPE AND WILL BE $5,000 TO FIX. DEFOGGER AND DEFROST VENTS WILL NOT WORK BY MANUALLY PRESSING BUTTONS. *TR
Owner-reported narrative. 78,000 miles reported. Look up ODI 10370785 at NHTSA ↗