Own a Infiniti M35/45 in the Phoenix area? EZ Swap LLC repairs and maintains the Infiniti M35/45 for model years 2006 to 2010. Our shop at 9050 N 9th St handles everything from routine service to diagnostics and major repairs.
To help M35/45 owners know what to watch for, we reviewed public records from the National Highway Traffic Safety Administration (NHTSA). For these model years NHTSA has 574 owner complaints on file for the M35/45 and 0 safety recall campaigns. The most-reported problem areas are air bags (142), steering (132), seats (109).
Most-Reported Infiniti M35/45 Problems
These problem areas come up most often in NHTSA owner complaints for the M35/45 (all model years combined). Complaint counts reflect reports filed, not the share of vehicles affected, so popular and older models naturally have more.
| Problem area (NHTSA component) | Complaints | Share | |
|---|---|---|---|
| Air Bags | 142 | 24% | |
| Steering | 132 | 22% | |
| Seats | 109 | 18% | |
| Engine | 46 | 8% | |
| Vehicle Speed Control | 45 | 7% | |
| Electrical System | 41 | 7% | |
| Suspension | 28 | 4% | |
| Structure | 24 | 4% |
Air Bags
142 of the 574 complaints (24%) mention airbags and seat belts. Airbag and restraint issues are often tied to open safety recalls, which are repaired by the manufacturer at no cost to you. Check your VIN on NHTSA's recall lookup first, and we can help with related warning lights and diagnostics. See our auto repair page.
Steering
132 of the 574 complaints (22%) mention steering. Steering complaints deserve prompt attention. We inspect steering components and alignment so the car tracks straight and responds predictably. See our suspension & alignment page.
Seats
109 of the 574 complaints (18%) mention seats and head restraints. Seat and restraint complaints are often covered by safety recalls, which the manufacturer repairs at no charge. Check your VIN first, and we can inspect seat hardware and related warning lights. See our auto repair page.
Infiniti M35/45 Complaints by Model Year
The M35/45 model years with the most NHTSA complaints on file are 2006, 2007, 2008. Older model years have had more time to collect reports, so use this table as a guide for what to inspect, not as a verdict on any one vehicle.
| Model year | Complaints on file | |
|---|---|---|
| 2006 | 282 | |
| 2007 | 185 | |
| 2008 | 67 | |
| 2009 | 19 | |
| 2010 | 21 |
Infiniti M35/45 Check Engine Codes
NHTSA owner complaints rarely cite specific trouble codes for the M35/45, so we do not have a model-specific ranking to show. These are the check engine codes we see most often on vehicles in Phoenix heat, and any of them can show up on a Infiniti.
| Code | What it means |
|---|---|
| P0420 | Catalyst efficiency below threshold (bank 1) Often a worn catalytic converter, but failing oxygen sensors or exhaust leaks can set it too. Can cause an emissions test failure. |
| P0300 | Random or multiple cylinder misfire Worn spark plugs, failing ignition coils, fuel or vacuum problems. Do not ignore a flashing check engine light. |
| P0171 | System too lean (bank 1) Often a vacuum leak, dirty MAF sensor, weak fuel delivery or a failing oxygen sensor. |
| P0455 | EVAP system large leak Missing or loose gas cap, or a disconnected or cracked vapor hose. |
| P0128 | Coolant temperature below thermostat regulating temperature Usually a thermostat stuck open. Fix it to restore efficiency and cabin heat. |
| P0442 | EVAP system small leak Loose or worn gas cap, cracked hose or purge or vent valve. |
| P0301 | Cylinder 1 misfire Commonly a bad spark plug or ignition coil on that cylinder. |
| P0401 | EGR flow insufficient Clogged EGR passages or a stuck EGR valve. |
Got a check engine light on your M35/45? A code is a clue, not a diagnosis, so we scan it and test the system before replacing anything. See our check engine light diagnostics.
Serious Incident Reports
Of the NHTSA complaints on file for the M35/45, 23 involved a crash, 2 involved a fire, 14 reported injuries. These numbers are drawn from self-reported complaints and are not verified findings. If your vehicle has an open recall, get it repaired promptly.
Keeping a Infiniti M35/45 Reliable in Phoenix
Arizona heat is the hardest test a Infiniti will face. Batteries, belts, hoses, tires and engine oil all wear faster here, and a M35/45 that spends its life in stop-and-go Valley traffic needs maintenance earlier than the owner's manual's normal schedule suggests.
Our recommendation for M35/45 owners: follow the severe-service schedule, test the battery before every summer, inspect brakes and tires twice a year, and have any warning light diagnosed instead of ignored. If you are shopping for a used Infiniti M35/45, a pre-purchase inspection shows what the paperwork does not.
Infiniti M35/45 Services at EZ Swap LLC
Get the details on our Phoenix Infiniti M35/45 repair service, or choose a service below.
Auto Repair
All makes and models, from domestic trucks to imports.
Details →Suspension & Alignment
Shocks, struts, alignment and steering.
Details →Oil Change & Maintenance
Oil, filters, fluids, tires and scheduled service.
Details →Car A/C Repair
Phoenix heat demands cold air.
Details →Pre-Purchase Inspection
Know the car before you buy it.
Details →Infiniti M35/45 FAQ
What are the most common problems with the Infiniti M35/45?
Based on NHTSA owner complaints, the most-reported problem areas for the Infiniti M35/45 are air bags (142), steering (132), seats (109). Complaint counts reflect reports filed, not the share of vehicles affected.
Which M35/45 model years have the most complaints?
The M35/45 model years with the most NHTSA complaints on file are 2006, 2007, 2008. Older years have had longer to collect reports, so inspect any specific vehicle before buying.
What check engine codes are common on the Infiniti M35/45?
NHTSA complaints rarely cite specific codes for the Infiniti M35/45. On Phoenix vehicles in general, we see P0420, P0300 misfires, P0171 lean conditions and EVAP leaks such as P0455 and P0442 most often. Bring yours in and we will scan and test it.
Does the Infiniti M35/45 have any safety recalls?
NHTSA lists 0 recall campaigns for the Infiniti M35/45 across model years 2006 to 2010. Each recall applies only to certain vehicles, so enter your VIN at nhtsa.gov/recalls to see if yours is affected.
Do you repair the Infiniti M35/45 in Phoenix?
Yes. EZ Swap LLC repairs and maintains Infiniti vehicles including the M35/45, at 9050 N 9th St in Phoenix. Call or text (602) 246-9063 for an appointment.
Is a pre-purchase inspection worth it for a used Infiniti M35/45?
Yes. An inspection checks the engine, transmission, brakes, suspension, A/C and electrical system, and scans for stored codes, so you know the real condition before you buy.
How often should I service my Infiniti M35/45 in Phoenix?
Follow the severe-service schedule in your owner's manual, since heat and stop-and-go driving count as severe use. Test the battery before summer and inspect brakes and tires regularly.
More Infiniti Models We Service
Source: public complaint and recall records from the National Highway Traffic Safety Administration (nhtsa.gov). Counts reflect reports filed and do not predict the condition of any individual vehicle.