Problems owners report
Complaints filed with NHTSA about the 2006 Isuzu NPR, by the system named in each complaint. One complaint can name several.
- Suspension4
- Steering4
- Tires2
- Fuel/propulsion system2
- Structure1
- Service brakes1
- Wheels1
- Electrical system1
NHTSA ODI complaints (public domain) · updated 23 Oct 2026 · 0 injuries and 0 deaths reported
Compared with other years
NHTSA ODI complaints by model year
Fatal crashes in the US
From 2020 to 2023, 7 2006 NPR vehicles were involved in crashes on US public roads in which someone died; 2 people died inside them. This is a count, not a crash rate: it grows with the number of cars on the road.
NHTSA Fatality Analysis Reporting System (FARS), crash years 2020–2023 (public domain)
New York safety inspections
At its first New York inspection the 2006 Isuzu NPR failed the safety check 1.00% of the time — 57% less often than the average 2006 passenger car (2.34%). Median odometer at inspection: 146,910 miles.
NY DMV Vehicle Inspections (vezn-fmmk), initial inspections since Aug 2021 · how we count
Recalls
Isuzu Manufacturing Services of America (Isuzu) is recalling certain model year 2006-2008 Isuzu NPR and NPR-HD and Chevrolet W3500 and W4500 trucks manufactured March 16, 2005, to August 13, 2008 and 2006-2008 GMC W3500 and W4500 trucks manufactured July 18, 2005, to August 13, 2008. The affected vehicles have a fuel tank that may corrode and leak fuel.
ISUZU IS RECALLING CERTAIN MODEL YEAR 2006-2007 ISUZU NPR, NQR, NRR, GMC W3500, W4500, W5500, AND CHEVROLET W3500, W4500, AND W5500 VEHICLES. THE OIL PIPE BOLTS WERE NOT TIGHTENED PROPERLY DURING THE VEHICLE PRODUCTION PROCESS. IF NOT ADEQUATELY TIGHTENED, THE BOLT MAY LOOSEN AFTER PROLONGED VEHICLE OPERATION, WHICH CAN RESULT IN OIL SEEPAGE OR LEAKAGE FROM THE PACKING SEALS. IN GENERAL, AS OIL IS LOST, THE OIL WARNING LAMP WILL ILLUMINATE, AND THERE MAY BE ABNORMAL ENGINE NOISE AND LOSS OF OIL CAN CAUSE ENGINE SEIZURE.
ISUZU IS RECALLING 16,859 MY 2006-2007 ISUZU NPR, NQR, NRR, GMC W3500, W4500, W5500 AND CHEVROLET W3500, W4500, W5500 TRUCKS EQUIPPED WITH DIESEL ENGINES. DIESEL FUEL MAY SEEP OR LEAK FROM THE FUEL PIPE AT THE UPPER OR LOWER FUEL PORT ON THE DIESEL FUEL SUPPLY PUMP.
Whether a recall was fixed on a particular car is known only to the manufacturer: check the VIN at nhtsa.gov/recalls.
NHTSA recalls · summaries in NHTSA's own words
Service bulletins
What Isuzu told its dealers about the 2006 Isuzu NPR: known faults, fixes and updates.
| Bulletin | Summary |
|---|---|
| 10237146 | This bulletin outlines the procedures for using the Alpine Exchange Program (the "Exchange Program"). The Exchange Program must be used when any Alpine radio or other component covered by this bulletin is repaired under warranty and may also be used for radio and component repairs not covered under warranty. Contact Alpine directly for pricing and payment methods applicable to radio and component repairs not covered under warranty. |
| 10218932 | Isuzu Commercial Truck of America, Inc. (ICTA) is providing the following procedural recommendations to improve dealer efficiency when submitting Parts Warranty claims. We strongly recommend dealers follow these procedures in order to avoid delays in Parts Warranty claim payments and/or claim chargeback. This bulletin was revised to add a Parts Warranty Form |
| 10218927 | Isuzu Commercial Truck of America, Inc. (ICTA) is providing the following procedural recommendations to improve dealer efficiency when submitting Parts Warranty claims. We strongly recommend dealers follow these procedures in order to avoid delays in Parts Warranty claim payments and/or claim chargeback. |
| 10217004 | The Isuzu Commercial Truck of America (ICTA) Service Technical Assistance Center (TAC) provides diagnostic support to Isuzu dealer technicians repairing Isuzu vehicles in and out of vehicle warranty. A TAC case number will be issued solely for information tracking purposes and future contact reference. |
| 10217001 | The following is a list of the Isuzu-recommended Threebond product part numbers identified in the various Isuzu Workshop Manuals and bulletins. If a Threebond product is unavailable, we recommend that you utilize the chart below to find equivalent of similar products (when available) from Loctite and Permatex. |
| 10188518 | Understanding drive belt noise. |
| 10056373 | ISUZU: INFORMATION REGARDING CORROSION INHIBITOR IMPROVEMENT THAT CHANGES COLOR OF COOLANT TO A DARK COLOR AND IS ADDED AT PORT TO BOTH RADIATOR AND SURGE TANK. *PE |
| 10046799 | ISUZU (CHEVROLET/GMC): TRUCKS WITH DIESEL ENGINE WOULD HAVE IDLE VIBRATION, TROUBLE STARTING, ENGINE NOT REVVING UP, AND A LACK OF POWER DUE TO POSSIBLE OPERATION CONDITION OF SUCTION CONTROL VALVE (SCV)/FUEL RAIL PRESSURE (FRP) REGULATOR BEING INTERMITTENT. MODELS 2004-2010 CHEVROLET/GMC C, T, W SERIES AND ISUZU F, H, N SERIES. *PE |
| 10032488 | ISUZU (CHEVROLET/GMC): THE TRANSMISSION SLIPS, WILL NOT SHIFT, OR MAY OVERHEAT. TECHNICIANS MAY FIND DTCS P0894 OR P0218 STORED EITHER CURRENT OR IN HISTORY. THESE CONDITIONS MAY BE CAUSED BY FRICTION MATERIAL DEBONDING FROM THE TORQUE CONVERTER CLUTCH. HARSH OR DELAYED SHIFTS, NO DRIVE, NO REVERSE, SLIPS AND THE SES/MIL MAY BE ILLUMINATED. *PE UPDATED 9/15/10. *PE |
| 10030789 | ISUZU/CHEVROLET/GMC: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THE FOLLOWING TABLE CONTAINS MANY POSSIBLE CAUSES FOR THE FOLLOWING SYMPTOMS. HARD START/NO START; ROUGH, MISFIRE, UNSTABLE OR INCORRECT IDLE; SURGES, LACK OF POWER, HESITATION, LAG OR STUMBLE. WHILE SOME OF THESE SYMPTOMS MAY LEAD TO COMPONENT REPLACEMENT, THE REPLACEMENT SHOULD NOT BE CONSIDERED A COMPLETED REPAIR. THESE TYPES OF SYMPTOMS HAVE A HIGH PROBABILITY FOR A REPEAT REPAIR SINCE THE TRUE SOURCE OF THE FAILURE IS TYPICALLY FUEL CONTAMINATION. *PE UPDATED 3/23/12. *PE |
| 10027344 | CHEVROLET, GMC AND ISUZU TRUCKS: LACK OF POWER, ENGINE WILL NOT REV UP, IDLE VIBRATION, ENGINE STARTING CONCERNS, DTCS P1093, P0087, P1087, P0088 AND/OR P1088 SET (DIAGNOSE AND REPLACE SUCTION CONTROL VALVE (SCV) (FUEL PRESSURE REGULATOR (FPR), IF NECESSARY). *PE UPDATED 2/13/09. *PE UPDATED 4/5/10. *PE UPDATED 11/2/11. *PE |
| 10022962 | LACK OF POWER, ENGINE WILL NOT REV-UP, IDLE VIBRATION, ENGINE STARTING CONCERNS, DTC;S P1093, P0087, P1087, P0088 AND/OR P1088 SET (DIAGNOSE AND REPLACE SUCTION CONTROL VALVE (SCV) (FUEL PRESSURE REGULATOR (FPR)), IF NECESSARY) *NJ |
| 10021387 | ENGINE LOW POWER, WHISTLING-TYPE NOISE FROM ENGINE (REPLACE TURBO TO CHARGE AIR COOLER HOSE CLAMP). *KB |
| 10021386 | ENGINE OIL PRESSURE WARNING LIGHT ILLUMINATED, ENGINE OIL SEEPAGE/LEAKING ONTO GROUND IN EXTREMELY LOW AMBIENT TEMPERATURES (REPLACE PCV HOSE AND BRACKET/INSTALL NEW CATCH TANK COVER). *KB |
| 10019884 | USAGE OF E85 FUELS IN GM VEHICLES. 1997 - 2008 ALL GM CARS AND TRUCKS. 1997 - 2008 ALL SATURN VEHICLES. *TT UPDATED. *KB UPDATED ON 10/22/07. *NJ |
| 10018676 | USE OF SHRINK TUBING AROUND TRANSMISSION FLUID LEVEL INDICATOR (DIPSTICK) TUBE JOINT TO AVOID WATER INTRUSION. 2006 AND PRIOR CHEVROLET AND GMC MEDIUM DUTY TILT CAB MODELS AS WELL AS 2006 AND PRIOR ISUZU COMMERCIAL MODELS. *NM |
| 10017467 | USE OF DIELECTRIC LUBRICANT TO PREVENT WATER/MOISTURE INTRUSION INTO WIRING CONNECTORS. *TT UPDATED 03-19-07. 2007 AND PRIOR CHEVROLET W-SERIES MEDIUM DUTY TILT CAB MODELS. 2007 AND PRIOR GMC W-SERIES DUTY TILT CAB MODELS. 2007 AND PRIOR ISUZU N-SERIES COMMERCIAL MODELS. *KB |
| 10017357 | MALFUNCTION INDICATOR LAMP (MIL) ON, DTC P0340 (CAMSHAFT POSITION SENSOR) SET. *TT |
| 10016501 | PROGRAM BULLETIN (CUSTOMER SATISFACTION PROGRAM)-AISIN ATF LEVEL GAUGE INCORRECT LENGTH. *SC |
| 10016500 | ADMINISTRATIVE MESSAGE-VEHICLES EQUIPPED WITH A 4HK1T DIESEL ENGINE AND AISIN AUTOMATIC TRANSMISSION HAVE AN AUTOMATIC TRANSMISSION FLUID (ATF) LEVEL GAUGE WITH AN INCORRECT LENGTH. *SC |
| 10004743 | REVISION OF AISIN TRANSMISSION QUALITY CENTER (TQC) PROGRAM BEGINNING OCTOBER 1, 2003. *TT |
| 10004380 | REPLACEMENT OF OUTPUT FLANGE NUT WHEN SERVICING TRANSMISSION. ALSO INCLUDES 2004 MODELS. *TT |
NHTSA manufacturer communications (public domain)