{"nhtsa_id":10030527,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2009-10-14","date":"2009-06-01","document_id":"SB-65-09","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:DIESEL; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)","mfr_system":null,"summary":"DETROIT DIESEL: DELTA P SENSOR. THE CLEANING OF THE DELTA P SENSOR HAS BEEN ADDED. THE DELTA P SENSOR IS MOUNTED ON THE EXHAUST GAS RECIRCULATION (EGR) VENTURI PIPE. THE MOTOR CONTROL MODULE (MCM) RECEIVES A SIGNAL FROM THE DELTA P SENSOR WHICH SENSES PRESSURE AND DROP ACROSS THE EGR VENTURI. NO MODEL OR MODEL YEARS LISTED. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10030527","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null},{"id":"egr-valve","name":"EGR valve","parent":"exhaust-emissions"}],"codes":[],"topics":[],"vehicles":[{"make":"DETROIT DIESEL","model":"DETROIT","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":[]}