2003 Infiniti I35 problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
93 owner complaints analyzed
5 distinct recall campaigns
100,625 mi median reported failure mileage
Scope: 2003 model year. Data snapshot: . 82 complaints include usable failure mileage.
Most common problems
Engine is the most frequently named component, appearing in 44 of 93 complaints (47.3%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Engine operation | 43 | 46.2% |
| Braking behavior | 15 | 16.1% |
| Electrical and battery issues | 5 | 5.4% |
| Steering behavior | 5 | 5.4% |
| Fuel system concerns | 2 | 2.2% |
| Transmission and shifting | 1 | 1.1% |
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 | 44 |
| Engine And Engine Cooling | 23 |
| Electrical System | 13 |
| Vehicle Speed Control | 9 |
| Air Bags | 8 |
| Electronic Stability Control (Esc) | 8 |
| Power Train | 5 |
| Unknown Or Other | 5 |
Engine: 44; Engine And Engine Cooling: 23; Electrical System: 13; Vehicle Speed Control: 9; Air Bags: 8; Electronic Stability Control (Esc): 8; Power Train: 5; Unknown Or Other: 5
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 3 |
| 25,000 to 49,999 | 7 |
| 50,000 to 74,999 | 9 |
| 75,000 to 99,999 | 21 |
| 100,000 to 149,999 | 21 |
| 150,000 and above | 21 |
Under 25,000: 3; 25,000 to 49,999: 7; 50,000 to 74,999: 9; 75,000 to 99,999: 21; 100,000 to 149,999: 21; 150,000 and above: 21
75,000 to 99,999 miles has the most reports with usable mileage (21). 11 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 |
|---|---|
| 2004 | 1 |
| 2005 | 1 |
| 2006 | 1 |
| 2007 | 2 |
| 2008 | 1 |
| 2009 | 2 |
| 2010 | 11 |
| 2011 | 8 |
| 2012 | 5 |
| 2013 | 8 |
| 2014 | 12 |
| 2015 | 12 |
| 2016 | 6 |
| 2017 | 7 |
| 2018 | 4 |
| 2019 | 5 |
| 2020 | 4 |
| 2021 | 3 |
2004: 1; 2005: 1; 2006: 1; 2007: 2; 2008: 1; 2009: 2; 2010: 11; 2011: 8; 2012: 5; 2013: 8; 2014: 12; 2015: 12; 2016: 6; 2017: 7; 2018: 4; 2019: 5; 2020: 4; 2021: 3
Pattern summary
Engine leads the component reports. Engine operation appears in 43 complaint narratives. Braking behavior appears in 15 complaint narratives. Electrical and battery issues appears in 5 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 10242727 · 2008-09-17 (September 17, 2008)
TL*THE CONTACT OWNS A 2003 INFINITI I35. THE CONTACT STATED THAT THE VEHICLE WOULD FAIL TO START INTERMITTENTLY. SHE REPLACED THE BATTERY, BUT THE FAILURE CONTINUED. THE ENGINE WARNING LIGHT REMAINED ILLUMINATED AT ALL TIMES. WHILE DRIVING VARIOUS SPEEDS, THE VEHICLE STALLED ON THREE OCCASIONS. THE CONTACT TOOK THE VEHICLE TO A LOCAL MECHANIC AND WAS INFORMED OF NHTSA CAMPAIGN ID NUMBER 03V455000 (ENGINE AND ENGINE COOLING) FOR THE SAME FAILURE SHE WAS EXPERIENCING. THE MANUFACTURER WOULD NOT ASSIST BECAUSE HER VIN WAS NOT INCLUDED IN THE…
Owner-reported narrative. 78,000 miles reported. Look up ODI 10242727 at NHTSA ↗
Owner report 10320711 · 2010-03-18 (March 18, 2010)
TL*THE CONTACT OWNS A 2003 INFINITI I35. THE CONTACT WAS DRIVING APPROXIMATELY 50 MPH. THE ENGINE STALLED WITHOUT WARNING. THE BRAKE SYSTEM AND STEERING BECAME INOPERABLE. THE COMPUTERIZED SYSTEM CODE WAS RESET. THE VEHICLE WAS ABLE TO RESUME OPERATION. THE FAILURE OCCURRED WHENEVER THE VEHICLE WAS IN OPERATION. THE DRIVER REPLACED THE CAM SHAFT SENSOR AND THE FAILURE CONTINUED. THE VEHICLE HAS NOT BEEN REPAIRED FOR THE MALFUNCTION AT THIS TIME. THE FAILURE MILEAGE WAS UNKNOWN.
Owner-reported narrative. Look up ODI 10320711 at NHTSA ↗
Owner report 10092801 · 2004-09-20 (September 20, 2004)
WHILE DRIVING 30 MPH STEERING PULLED TO THE RIGHT. CONSUMER APPLYIED THE BRAKES, HOWEVER THE VEHICLE ACCELERATED. AS A RESULT, CONSUMER LOST CONTROL. NO IMPACT REPORTED. *AK
Owner-reported narrative. 47,000 miles reported. Look up ODI 10092801 at NHTSA ↗
Owner report 10134622 · 2005-08-29 (August 29, 2005)
THE BRAKE PEDAL AND ACCELERATOR PEDAL ARE CLOSE TOGETHER. WITH MY SIZE 12 FOOT, IT IS EASY TO ACCIDENTALLY HAVE MY SHOE ON BOTH PEDALS. THE CAR HAS ENOUGH ENGINE POWER TO OVERCOME THE BRAKING SYSTEM, AND LEAD TO A COLLISION. WITH THE ABS AND TCS (TRACTION CONTROL SYSTEM) ON THIS CAR, I WOULD LIKE TO SEE AN INTERACTION TO LIMIT POWER IF THE ABS IS ACTIVATED. MY REAR TIRES WERE TRYING TO STOP THE CAR (ALMOST DRAGGING) AND WITH THE CAR UNDER POWER (BOTH PEDALS DEPRESSED) THE ABS WAS ACTIVATED BUT I WAS STILL ACCELERATING FORWARD. IF THE TCS W…
Owner-reported narrative. 31,350 miles reported. Look up ODI 10134622 at NHTSA ↗
Owner report 10500840 · 2013-02-28 (February 28, 2013)
VEHICLE WOULD NOT START...THOUGHT IT WAS THE BATTERY..BUT EVERYTHING WAS TESTED AND SAID TO BE OK..STILL HAVING ISSUES WITH AN INTERMITTENT NON START//// *TR
Owner-reported narrative. 210,063 miles reported. Look up ODI 10500840 at NHTSA ↗
Owner report 10198935 · 2007-08-09 (August 9, 2007)
TL*THE CONTACT OWNS A 2003 INFINITI I35. WHILE DRIVING 45 MPH, THE VEHICLE LOST POWER AND ALL THE WARNING INDICATOR LIGHTS ILLUMINATED. THERE WAS NO POWER STEERING OR BRAKE FUNCTIONALITY. THE VEHICLE WAS PULLED OVER AND RESTARTED. THE DEALER STATED THAT THE ENGINE CRANK SENSOR NEEDED TO BE REPLACED. THE MANUFACTURER STATED THAT THE VIN WAS NOT INCLUDED IN NHTSA RECALL # 03V455000 (ENGINE AND ENGINE COOLING). THE CURRENT AND FAILURE MILEAGES WERE 74,799.
Owner-reported narrative. 74,799 miles reported. Look up ODI 10198935 at NHTSA ↗
Owner report 10597345 · 2014-06-10 (June 10, 2014)
TL* THE CONTACT OWNS A 2003 INFINITI I35. THE CONTACT STATED THAT WHILE DRIVING AT VARIOUS SPEEDS, THE VEHICLE STALLED IMMEDIATELY AFTER THE CHECK ENGINE LIGHT ILLUMINATED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC. THE TECHNICIAN WAS UNABLE TO DIAGNOSE A FAILURE BUT DECIDED TO CLEAN THE INJECTORS AND CHECK THE FUEL PUMP AS PRECAUTIONARY MEASURE. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 90,000 AND THE CURRENT MILEAGE WAS 140,000. UPDATED 8/28/14*CN THE CONSUMER STATED THE VEHICLE STALLED AND WOULDN'T RE…
Owner-reported narrative. 90,000 miles reported. Look up ODI 10597345 at NHTSA ↗
Owner report 11317694 · 2020-03-12 (March 12, 2020)
REPLACED COMPLETE EXHAUST SYSTEM, ALL O2 SENSORS, BOTH CAM SENSORS, FUEL PUMP WITH STRAINER, FUEL PUMP RELAY, SPARK PLUGS AND COILS, FUEL REGULATOR, HAD KEY PROGRAMMED, KEY ANTENNA REPLACED, VEHICLE FAILS TO START
Owner-reported narrative. 98,000 miles reported. Look up ODI 11317694 at NHTSA ↗
Owner report 11205572 · 2019-05-03 (May 3, 2019)
TL* THE CONTACT OWNS A 2003 INFINITI I35. WHILE DRIVING BETWEEN 35-40 MPH, THE VEHICLE DECELERATED WITHOUT WARNING. THE CONTACT PLACED THE TRANSMISSION INTO NEUTRAL, RESTARTED THE ENGINE, AND THE DROVE AWAY SAFELY. AN INDEPENDENT MECHANIC CAME TO THE CONTACT'S HOME TO DIAGNOSE THE VEHICLE, BUT THE TEST COULD NOT BE READ. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND DID NOT ASSIST. THE DEALER WAS NOT CONTACTED. THE FAILURE MILEAGE WAS 128,000.
Owner-reported narrative. 128,000 miles reported. Look up ODI 11205572 at NHTSA ↗