{"nhtsa_id":620202,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-07-20","date":"2001-05-01","document_id":"14877","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)","mfr_system":null,"summary":"SOME VEHICLES MAY ILLUMINATE THE MALFUNCTION INDICATOR LAMP OR RUN ROUGH AFTER THE CATALYST IS REMOVED AND / OR REPLACED. THIS MAY BE DUE TO VACUUM LEAKS AS A RESULT OF TOLERANCE STACKUP WITHIN THE EXHAUST / EGR / INTAKE SYSTEM. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/620202","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":"FORD","model":"CONTOUR","year_from":1997,"year_to":2000,"match":"exact","vehicle_ids":["1997_ford_contour","1998_ford_contour","1999_ford_contour","2000_ford_contour"]},{"make":"MERCURY","model":"MYSTIQUE","year_from":1997,"year_to":2000,"match":"exact","vehicle_ids":["1997_mercury_mystique","1998_mercury_mystique","1999_mercury_mystique","2000_mercury_mystique"]}],"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":[]}