{"vehicle":{"id":"2007_chevrolet_express","year":2007,"make":"Chevrolet","model":"Express"},"code":"P0191","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":2,"bulletins":[{"nhtsa_id":10030110,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2009-08-04","date":"2009-05-01","document_id":"TB-09-06-04-022","mfr_campaign":null,"component":"FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL; ENGINE AND ENGINE COOLING:ENGINE; ELECTRICAL SYSTEM:WIRING","summary":"GENERAL MOTORS: MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATED, INTERMITTENT DTC P0191, SLOW FUEL RAIL PRESSURE (FRP) DECAY, WIRING HARNESS CONNECTIONS, VOLTAGE FLUCTUATIONS/INTERRUPTIONS (FOLLOW CORRECTION INFORMATION BELOW). *PE UPDATED 11/23/09. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10030110"},{"nhtsa_id":10026665,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2008-11-26","date":"2008-07-01","document_id":"PIP-4430","mfr_campaign":null,"component":"FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL","summary":"GMC: FUEL RAIL PRESSURE SENSOR PERFORMANCE DTC P0191. MAY SET DUE TO ACTUAL FUEL RAIL PRESSURE NOT DROPPING QUICKLY ENOUGH WHEN THE ENGINE IS SHUT OFF. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10026665"}],"url":"https://open.wenmarpro.com/makes/chevrolet/express/2007/bulletins?code=P0191"},"related":{"components":[],"bulletins":[],"recalls":{"may_apply":true,"recalls":[],"lookup":{"nhtsa":"https://www.nhtsa.gov/recalls","tc":"https://wwwapps.tc.gc.ca/Saf-Sec-Sur/7/VRDB-BDRV/search-recherche/menu.aspx?lang=eng","maker":null}}},"url":"https://open.wenmarpro.com/makes/chevrolet/express/2007/codes/P0191","note":"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.","attribution":["Contains information licensed under the Open Government Licence – Canada."]}