{"nhtsa_id":10186431,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-02-01","date":"2021-01-21","document_id":"KC-527","mfr_campaign":null,"replaces":null,"component":"FUEL SYSTEM, GASOLINE","mfr_system":null,"summary":"Diesel Exhaust Fluid ( DEF ) Contamination In Fuel System, Inspection And Repair; Engine Misfire, No-Start, Uneven Operation, Multiple Injector Codes, Fuel Pressure Codes - US17 And Newer ( Common Rail Fuel System )","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10186431-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10186431-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10186431","components":[{"id":"fuel-system","name":"Fuel system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"MACK","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]}],"as_of":"2026-10-19","note":"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.","attribution":[]}