P0131 on the 1995 Buick Riviera
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
Nobody has written a description of this code yet.
| 970501776515 | 1997-11-06. Service bulletin. INFORMATION BASED ON ENGINE IDLE SURGE, OR MIL (MALFUNCTION INDICATOR LAMP) ILLUMINATED WITH DTC (DIAGNOSTIC TROUBLE CODE) P0131, P0171 OR 44 SET. *YC |
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1 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.