Infiniti G35 problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
1,350 owner complaints analyzed
8 distinct recall campaigns
78,000 mi median reported failure mileage
Scope: 2002 to 2009 model years. Data snapshot: . 1,057 complaints include usable failure mileage.
Most common problems
Electrical System is the most frequently named component, appearing in 327 of 1,350 complaints (24.2%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 311 | 23.0% |
| Engine operation | 146 | 10.8% |
| Steering behavior | 100 | 7.4% |
| Electrical and battery issues | 97 | 7.2% |
| Transmission and shifting | 58 | 4.3% |
| Fuel system concerns | 26 | 1.9% |
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 |
|---|---|
| Electrical System | 327 |
| Engine | 177 |
| Air Bags | 152 |
| Exterior Lighting | 133 |
| Engine And Engine Cooling | 95 |
| Unknown Or Other | 69 |
| Seats | 60 |
| Vehicle Speed Control | 56 |
Electrical System: 327; Engine: 177; Air Bags: 152; Exterior Lighting: 133; Engine And Engine Cooling: 95; Unknown Or Other: 69; Seats: 60; Vehicle Speed Control: 56
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 196 |
| 25,000 to 49,999 | 102 |
| 50,000 to 74,999 | 192 |
| 75,000 to 99,999 | 223 |
| 100,000 to 149,999 | 250 |
| 150,000 and above | 94 |
Under 25,000: 196; 25,000 to 49,999: 102; 50,000 to 74,999: 192; 75,000 to 99,999: 223; 100,000 to 149,999: 250; 150,000 and above: 94
100,000 to 149,999 miles has the most reports with usable mileage (250). 293 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 |
|---|---|
| 2002 | 2 |
| 2003 | 53 |
| 2004 | 25 |
| 2005 | 36 |
| 2006 | 33 |
| 2007 | 71 |
| 2008 | 62 |
| 2009 | 77 |
| 2010 | 162 |
| 2011 | 145 |
| 2012 | 115 |
| 2013 | 87 |
| 2014 | 117 |
| 2015 | 85 |
| 2016 | 69 |
| 2017 | 45 |
| 2018 | 37 |
| 2019 | 46 |
| 2020 | 23 |
| 2021 | 11 |
| 2022 | 17 |
| 2023 | 14 |
| 2024 | 9 |
| 2025 | 4 |
| 2026 | 5 |
2002: 2; 2003: 53; 2004: 25; 2005: 36; 2006: 33; 2007: 71; 2008: 62; 2009: 77; 2010: 162; 2011: 145; 2012: 115; 2013: 87; 2014: 117; 2015: 85; 2016: 69; 2017: 45; 2018: 37; 2019: 46; 2020: 23; 2021: 11; 2022: 17; 2023: 14; 2024: 9; 2025: 4; 2026: 5
Pattern summary
Electrical System leads the component reports. Braking behavior appears in 311 complaint narratives. Engine operation appears in 146 complaint narratives. Steering behavior appears in 100 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 10013958 · 2003-04-04 (April 4, 2003)
I OWN A 2003 INFINITI G35. THE CAR IS 7 MONTHS OLD WITH LESS THAN 10,000 MILES ON IT. I WAS TOLD BY MY DEALERSHIP THAT I HAD NO FRONT BRAKES. I BROUGHT THE CAR IN BECAUSE 3 LIGHTS WERE LIGHTING UP ON MY DASH FOR A COUPLE OF DAYS: THE BRAKE LIGHT, THE SLIP LIGHT, AND THE VDC OFF LIGHT. I WAS SHOCKED TO LEARN THAT I DIDN'T HAVE ANY FRONT BRAKES. TO ME, THIS IS DEFINITELY A SAFETY ISSUE. *JB
Owner-reported narrative. 9,700 miles reported. Look up ODI 10013958 at NHTSA ↗
Owner report 10018618 · 2003-05-13 (May 13, 2003)
2003 G35 CP 6 SPD I WAS DRIVING ON THE 60 FWY GOING WEST @ 2:30 AM, TRAVELING ABOUT 65 MPH & ALL OF A SUDDEN, THE CAR SPIN OUT & SKIDDED ACROSS THE FREEWAY ONTO THE DIRT ALMOST HIT THE CENTER DIVIDER. I WAS SHOCK! I WAS THINKING MAN... WHAT DID IT JUST HAPPEN? FIRST I THOUGHT THERE WERE STUFF LIKE GREASE ON THE FWY THAT CAUSE THE SPIN OUT. BUT I WALK TO THE FREEWAY & THERE WAS NOTHING ON THE FWY. SO I GOT BACK INTO MY CAR TRY TO MOVE THE CAR, BUT IT WOULD NOT MOVE. IT SEEMS LIKE THE REAR-WHEEL BRAKE IS LOCKED, THE CAR WILL NOT MOVE. SO I CAL…
Owner-reported narrative. 800 miles reported. Look up ODI 10018618 at NHTSA ↗
Owner report 10065465 · 2004-04-01 (April 1, 2004)
WHILE DRIVING 60 MPH, THE VEHICLE TURNED 360 DEGREES, CROSSED THREE LANES OF TRAFFIC AND COLLIDED INTO THE GUARD RAIL. *PH DRIVER HAS NO INPUT FROM SLIP LIGHT AND VDC LIGHT. ENGINE ALSO STALLED. DEALER INFORMED CONSUMER THAT VDC FAILED BUT CHANGED ITS DECISION SAYING THAT BRAKES AREN'T USED BY THE VDC. HOWEVER, CONSUMER THINKS THAT BRAKES ARE APPLIED BY THE VDC, AS STATED IN THE OWNER'S MANUAL. *LA
Owner-reported narrative. Look up ODI 10065465 at NHTSA ↗
Owner report 10073047 · 2004-05-24 (May 24, 2004)
2003 INFINITI G35 WAS TURNING INTO PARKING STALL AT ABOUT 5 MPH WHEN THE CAR SUDDENLY ACCELERATED WITHOUT THE ACCELERATOR PEDAL TOUCHED. BRAKES WERE NOT USED WITH SUFFICIENT FORCE TO STOP THE CAR. CAR JUMPED CURB, TRAVELED FIFTY FEET AND HIT A TREE.*AK
Owner-reported narrative. 20,100 miles reported. Look up ODI 10073047 at NHTSA ↗
Owner report 10478654 · 2012-10-04 (October 4, 2012)
DURING MY EVENING DRIVE HOME ON A LOCAL HIGHWAY / TOLL ROAD I SMELLED A STRONG PUNGENT BURNT OIL SMELL THRU THE AIR VENTS. AS I WAS AT THE END OF MY COMMUTE I PARKED THE CAR AND NOTED OIL DRIPPING FROM THE RIGHT FRONT AREA OF THE CAR. AFTER IT COOLED OFF I TRACED THE LEAK TO A POWER STEERING LINE UP HIGH AT THE BULKHEAD. I PULLED THE OUTER CHAFE GUARD BACK AND ADDITIONAL POWER STEERING FLUID POURED OUT ONTO THE GROUND. THE RIGHT SIDE BULKHEAD AREA WAS SOAKED IN POWER STEERING FLUID. THE ENTIRE AREA WAS BATHED IN FLUID HOWEVER THE OUTER CHAFE GU…
Owner-reported narrative. 161,000 miles reported. Look up ODI 10478654 at NHTSA ↗
Owner report 10208695 · 2007-11-12 (November 12, 2007)
CD GOT STUCK IN CD PLAYER. RADIO STARTED CUTTING IN AND OUT. THEN THE DASH PANEL THAT CONTROLLED THE STEREO, CD, HEATER, AC, ETC DOES NOT FUNCTION PROPERLY. THE A/C DOES NOT SHUT OFF, WHEREAS ALL THE OTHER DEVICES DO NOT TURN ON. I CAN STILL USE THE CONTROLS ON THE STEERING WHEEL BUT THE OTHER CONTROLS ON THE DASH (EXCEPT NAVIGATION) STOP WORKING. *TR
Owner-reported narrative. 72,000 miles reported. Look up ODI 10208695 at NHTSA ↗
Owner report 10275358 · 2009-06-30 (June 30, 2009)
I HAVE A G35 2003 AND HAD TO REPLACE THE RADIO 28041-AM883 CIRCUIT BOARD ON 5/10/07 (IT WAS UNDER WARRANTY AT THAT TIME). ALSO, WHEN I WAS TRAVELING UP NORTH THE CAR WOULD NOT START LAST WINTER I TOOK IT TO A INDEPENDENT REPAIR SHOP AND THEY DISCONNECTED THE RADIO - CHARGE THE BATTERY - AND IT WORKS FINE NOW. TODAY 06/30/09 I AM HAVING EXACTLY THE SAME PROBLEM AS I DID IN 2007 - THE AIR IS RUNNING A FULL BLAST AND I HAVE NO CONTROL OVER IT OR MY RADIO. SOMETHING NEEDS TO BE DONE AND INFINITI IS WILL AWARE OF THE PROBLEM AS ARE ALL THE DEALER…
Owner-reported narrative. 64,733 miles reported. Look up ODI 10275358 at NHTSA ↗
Owner report 10062073 · 2004-03-13 (March 13, 2004)
VEHICLE HAD ISSUES WITH NOT WANTING TO ACCELERATE FASTER THAN 5 MPH. TOWED VEHICLE TO DEALERSHIP, THEY STATED IT WAS A PINCHED CRUISE CONTROL GROUND WIRE AND FIXED IT UNDER WARRANTY. VEHICLE OPERATED FINE FOR ONE WEEK, HAD THE SAME PROBLEM. TOWED VEHICLE BACK TO DEALERSHIP. THIS TIME WAS TOLD THAT THE ECU AND WIRING HARNESS NEEDED TO BE REPLACED DUE TO IT GETTING WET FROM A GROMMET THAT WAS LOOSE DUE TO A AFTERMARKET ELECTRONICS WIRE UNDER IT. NOT COVERED UNDER WARRANTY. HAVE NOT HAD VEHICLE FOR ~5 WEEKS AND NO LOANER CAR WAS PROVIDED. U…
Owner-reported narrative. 8,400 miles reported. Look up ODI 10062073 at NHTSA ↗
Owner report 10002555 · 2003-01-10 (January 10, 2003)
CONSUMER STATED THE AUTOMATIC TRANSMISSION DOESN'T SHIFT PROPERLY FROM FIRST GEAR. DEALER HAS BEEN NOTIFIED. PLEASE PROVIDE FURTHER INFORMATION.*JB
Owner-reported narrative. Look up ODI 10002555 at NHTSA ↗
Owner report 10020750 · 2003-05-30 (May 30, 2003)
TRANSMISSION NEEDED TO BE REPLACED AT ONLY 5000MPH. *AK
Owner-reported narrative. 4,900 miles reported. Look up ODI 10020750 at NHTSA ↗
Owner report 10102196 · 2004-12-06 (December 6, 2004)
(1) VERY OFTEN I AM UNABLE TO FILL FUEL TANK BEYOND 1/2 FULL. TRIED MANY FUEL SITES, CAN OCCUR AT ALL. HAS GOTTEN WORSE IN COLD WEATHER-BELOW 50*(FOR SO.CAL). IT ACTS LIKE A RESTRICTION IN THE FUEL NECK BUT NONE WERE FOUND. MUST BE OTHERS WITH SAME PROBLEM.(2) OFTEN HAVE TO DRIVE WITH 1/2 TANK ONLY.(3) NOTHING WAS FOUND, NO CHARGES TO ME. EVEN IF I WAIT A MINUTE FOR POSSIBLE GAS 'FOAM" TO SUBSIDE,NO HELP. *AK
Owner-reported narrative. 8,000 miles reported. Look up ODI 10102196 at NHTSA ↗
Owner report 10103015 · 2004-12-15 (December 15, 2004)
I AM A MASTER MECHANIC AND HAVE WORKED IN THE INDUSTRY SINCE 1969. I ALSO PERFORMED ACIDENT INVESTIGATIONS FOR MERCED BENZ NORTH AMERICA. I NOW OWN A SMALL REPAIR FACILITY IN CA. AND IN THE CORSE OF MAKEING REPAIRS TO THREE G35 INFINITIS (YEARS 2003 AND 2004) I HAVE FOUND THE FUEL FILLER HOSE CRACKED AND BRITTLE. I HAVE A G35 LNFINITY MYSELF AND HAVE BEEN KEEPING TRACK OF THE PROBLEM. MY CAR NOW HAS ABOUT 10,000 MILES ON IT AND THE FUEL HOSE IS CRACKING. I HAVE COMPLAINED OF THE PROBLEM WITH THE DEALER AND HAVE REPORTED THE PROBLEM TO …
Owner-reported narrative. 10,000 miles reported. Look up ODI 10103015 at NHTSA ↗
Recalls by model year
All campaigns in the snapshot affecting each model year, including recalls announced years later.
Recall campaigns
Shared campaigns appear once in each affected model year.
| Category | Count |
|---|---|
| 2002 | 0 |
| 2003 | 5 |
| 2004 | 1 |
| 2005 | 1 |
| 2006 | 2 |
| 2007 | 3 |
| 2008 | 1 |
| 2009 | 0 |
2002: 0; 2003: 5; 2004: 1; 2005: 1; 2006: 2; 2007: 3; 2008: 1; 2009: 0