AI DamageInfiniti FX: problems, complaints, bulletins
Summary for the Infiniti FX across 6 model years: 12 owner complaints and 0 NHTSA service bulletins, plus repair videos. Pick a year for details.
Model years
What fails most often
- 1 Fuel system 25% of all complaints
- 2 Powertrain 25% of all complaints
- 3 Service brakes 17% of all complaints
- 4 Electrical system 8% of all complaints
- 5 Exterior lighting 8% of all complaints
- 6 Latches, locks, linkages 8% of all complaints
- 7 Tires 8% of all complaints
- 8 Visibility 8% of all complaints
- Fuel system: 3 complaints (25% of all).
- Powertrain: 3 complaints (25% of all).
- Service brakes: 2 complaints (17% of all).
- Electrical system: 1 complaints (8% of all).
- Exterior lighting: 1 complaints (8% of all).
Symptoms owners describe
How many of the 12 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Fuel system | 3 | 0 | 0 |
| Powertrain | 3 | 0 | 0 |
| Service brakes | 2 | 0 | 0 |
| Electrical system | 1 | 0 | 0 |
| Exterior lighting | 1 | 0 | 0 |
| Latches, locks, linkages | 1 | 0 | 0 |
| Tires | 1 | 0 | 0 |
| Visibility | 1 | 0 | 0 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
When depress the brake pedal, side of foot can concurrently depress the gas pedal, causing car to lurch forward. Dealer said can't fix, showed me that pedals on my 2011 fx35 identical to others at the dealership.
I feel that this is just another stall tactic. It has been over a year that I have been waiting for them to come up with a computer "update" to fix this problem. There needs to be an investigation and a recall of this engine. I have been told that it is the
Gas gauge is faulty and does not function correctly, readings are inaccurate. This is a constant problem.
Tl* the contact owns a 2011 infiniti fx. The contact stated that the vehicle would shift erroneously between second and third gears. The dealer confirmed the failure but the vehicle was not repaired. The dealer advised that a remedy had not been generated for the particular failure.
Hello, I recently purchased a used 2003 infiniti fx 45 from a private seller. I noticed immediately that the gas cluster reading was inaccurate. I immediately contacted my mechanic and conducted a research to learn that this is a common issue with infiniti models from 03-04.
Side mirrors are hindering sight - very large blind spot on each side. I have almost hit people in intersections. The mirrors are too large and it a very dangerous design flaw.
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
What to check before buying
- Fuel system. Fuel smell, leaks, rough running, fuel-system codes.
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
- Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
Other models of this make
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-05.