{"nhtsa_id":10176846,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-07-06","date":"2020-06-04","document_id":"20B21","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT","mfr_system":null,"summary":"In all of the affected vehicles, there are shallow pressed valve seats in the cylinder heads. This may lead to a rough idle, engine misfires with a reduction in power/torque, and a check engine/wrench light illuminated.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10176846-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10176846-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10176846","components":[{"id":"engine","name":"Engine","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"EXPLORER POLICE INTERCEPT","year_from":2020,"year_to":2020,"match":"base","vehicle_ids":["2020_ford_explorer"]},{"make":"FORD","model":"F-150","year_from":2020,"year_to":2020,"match":"exact","vehicle_ids":["2020_ford_f-150"]},{"make":"FORD","model":"TRANSIT","year_from":2020,"year_to":2020,"match":"exact","vehicle_ids":["2020_ford_transit"]}],"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":[]}