Service bulletins for the 1999 Isuzu NPR
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
37 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Throttle and cruise control are shown. Show all
| SB0002C001 | 2001-01-28. Service bulletin. VEHICLE SPEED CONTROL:CRUISE CONTROL. CERTAIN MODELS EQUIPPED WITH 5.7L V8 ENGINES, THAT ARE REGISTERED IN CALIFORNIA MAY EXPERIENCE A SERVICE ENGINE SOON LIGHT, MISFIRE ROUGH IDLE OR HARD START DUE TO A DEPOSIT BUILD-UP ON THE SEQUENTIAL CENTRAL PORT FUEL INJECTOR (SCPI) POPPET VALVE(S). *TT |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.