Own a Isuzu NPR in the Phoenix area? EZ Swap LLC repairs and maintains the Isuzu NPR for model years 2005 to 2009, 2012 to 2013, 2015 to 2017, 2019 to 2020. Our shop at 9050 N 9th St handles everything from routine service to diagnostics and major repairs.
To help NPR owners know what to watch for, we reviewed public records from the National Highway Traffic Safety Administration (NHTSA). For these model years NHTSA has 24 owner complaints on file for the NPR and 15 safety recall campaigns. The most-reported problem areas are steering (6), suspension (5), fuel/propulsion system (4).
Most-Reported Isuzu NPR Problems
These problem areas come up most often in NHTSA owner complaints for the NPR (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 | |
|---|---|---|---|
| Steering | 6 | 25% | |
| Suspension | 5 | 20% | |
| Fuel/Propulsion System | 4 | 16% | |
| Service Brakes | 4 | 16% | |
| Tires | 3 | 12% | |
| Power Train | 3 | 12% | |
| Structure | 2 | 8% | |
| Electrical System | 2 | 8% |
Steering
6 of the 24 complaints (25%) 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.
Suspension
5 of the 24 complaints (20%) mention the suspension. Suspension wear shows up as clunks, pulling and uneven tires. We inspect shocks, struts, bushings and joints and align the car after repairs. See our suspension & alignment page.
Fuel/Propulsion System
4 of the 24 complaints (16%) mention the fuel system. Fuel system problems can cause stalling, hard starts and poor mileage. We test fuel delivery and related sensors to find the real cause. See our no-start diagnostics and check engine light diagnostics pages.
Isuzu NPR Complaints by Model Year
The NPR model years with the most NHTSA complaints on file are 2006, 2005, 2007. 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 | |
|---|---|---|
| 2005 | 2 | |
| 2006 | 9 | |
| 2007 | 2 | |
| 2008 | 2 | |
| 2009 | 1 | |
| 2012 | 1 | |
| 2013 | 2 | |
| 2015 | 1 | |
| 2016 | 1 | |
| 2017 | 1 | |
| 2019 | 1 | |
| 2020 | 1 |
Isuzu NPR Check Engine Codes
NHTSA owner complaints rarely cite specific trouble codes for the NPR, 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 Isuzu.
| 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 NPR? 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.
Isuzu NPR Safety Recalls
NHTSA lists 15 recall campaigns for the NPR in these model years, most often involving vehicle speed control, equipment, power train. Recalls are repaired by the manufacturer at no charge to you, but each applies only to certain vehicles. Look up your VIN at nhtsa.gov/recalls.
- 2021 recall, Suspension (campaign 21V194000): Isuzu Technical Center of America, Inc. (Isuzu) is recalling certain 2015-2017 Isuzu NPR, Reach, 2016-2020 Isuzu NPR XD, NPR HD, NQR, 2016-2021 Isuzu NRR, 2017-2020 Chevrolet 4500XD, 4500HD, 5500HD, and 2020 Chevrolet 5500XD vehicles.
- 2020 recall, Seat Belts (campaign 20V025000): Isuzu Technical Center of America, Inc. (Isuzu) is recalling certain 2020 Isuzu NPR HD, NPR XD, NQR and NRR and Chevrolet 4500HD, 4500XD, 5500HD and 5500XD and 2019 Isuzu NPR HD GAS, NPR GAS and Chevrolet 4500 and Chevrolet 3500 vehicles...
- 2020 recall, Service Brakes (campaign 20V193000): Isuzu Technical Center of America, Inc. (Isuzu) is recalling certain 2019 NPR GAS, 2019 NPRHD GAS and 2019 Chevrolet 4500 vehicles.
- 2019 recall, Equipment (campaign 19V428000): Unicell Body Company Inc. (Unicell) is recalling certain 2017-2019 Chevrolet Express and GMC Savanna, 2018-2019 Hino 155, Ford Econoline and Transit and Isuzu NPR, and 2018 Ram ProMaster-based vehicles equipped with ASA Electronics Voyager...
- 2019 recall, Steering (campaign 19V663000): Diesel Modification Center LLC. (Diesel Modification Center) is recalling certain 2018-2019 Isuzu NQR ,NRR, and NPR vehicles modified to be equipped with dual steering.
- 2017 recall, Vehicle Speed Control (campaign 17V324000): Isuzu Technical Center of America, Inc. (Isuzu) is recalling certain model year 2008-2009 and 2012-2013 Isuzu NPR and NPR HD vehicles and 2008-2009 GMC W3500 and GMC W4500 vehicles.
Serious Incident Reports
Of the NHTSA complaints on file for the NPR, 3 involved a crash. 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 Isuzu NPR Reliable in Phoenix
Arizona heat is the hardest test a Isuzu will face. Batteries, belts, hoses, tires and engine oil all wear faster here, and a NPR 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 NPR 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 Isuzu NPR, a pre-purchase inspection shows what the paperwork does not.
Isuzu NPR Services at EZ Swap LLC
Get the details on our Phoenix Isuzu NPR repair service, or choose a service below.
Suspension & Alignment
Shocks, struts, alignment and steering.
Details →No-Start Diagnostics
Find out why it will not start.
Details →Check Engine Light Diagnostics
Scan, test and pinpoint the real cause.
Details →Oil Change & Maintenance
Oil, filters, fluids, tires and scheduled service.
Details →Car A/C Repair
Phoenix heat demands cold air.
Details →Isuzu NPR FAQ
What are the most common problems with the Isuzu NPR?
Based on NHTSA owner complaints, the most-reported problem areas for the Isuzu NPR are steering (6), suspension (5), fuel/propulsion system (4). Complaint counts reflect reports filed, not the share of vehicles affected.
Which NPR model years have the most complaints?
The NPR model years with the most NHTSA complaints on file are 2006, 2005, 2007. Older years have had longer to collect reports, so inspect any specific vehicle before buying.
What check engine codes are common on the Isuzu NPR?
NHTSA complaints rarely cite specific codes for the Isuzu NPR. 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 Isuzu NPR have any safety recalls?
NHTSA lists 15 recall campaigns for the Isuzu NPR across model years 2005 to 2009, 2012 to 2013, 2015 to 2017, 2019 to 2020. 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 Isuzu NPR in Phoenix?
Yes. EZ Swap LLC repairs and maintains Isuzu vehicles including the NPR, 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 Isuzu NPR?
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 Isuzu NPR 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 Isuzu 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.