{"nhtsa_id":10007711,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2004-07-08","date":"2004-05-10","document_id":"0409","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"EVALUATING FUEL MIXTURE DIAGNOSTIC TROUBLE CODES- HOW TO PERFORM EFFECTIVE DIAGNOSIS RELATED TO FUEL SYSTEM ADAPTATION - SYSTEM TOO RICH/TOO LEAN. VOLKSWAGEN. *MJ","document":null,"url":"https://open.wenmarpro.com/bulletins/10007711","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"VOLKSWAGEN","model":"EUROVAN","year_from":1999,"year_to":2003,"match":"exact","vehicle_ids":["1999_volkswagen_eurovan","2000_volkswagen_eurovan","2001_volkswagen_eurovan","2002_volkswagen_eurovan","2003_volkswagen_eurovan"]},{"make":"VOLKSWAGEN","model":"GOLF","year_from":1999,"year_to":2004,"match":"exact","vehicle_ids":["1999_volkswagen_golf","2000_volkswagen_golf","2001_volkswagen_golf","2002_volkswagen_golf","2003_volkswagen_golf","2004_volkswagen_golf"]},{"make":"VOLKSWAGEN","model":"JETTA","year_from":1999,"year_to":2004,"match":"exact","vehicle_ids":["1999_volkswagen_jetta","2000_volkswagen_jetta","2001_volkswagen_jetta","2002_volkswagen_jetta","2003_volkswagen_jetta","2004_volkswagen_jetta"]},{"make":"VOLKSWAGEN","model":"NEW BEETLE","year_from":1999,"year_to":2004,"match":null,"vehicle_ids":[]},{"make":"VOLKSWAGEN","model":"PASSAT","year_from":1999,"year_to":2004,"match":"exact","vehicle_ids":["1999_volkswagen_passat","2000_volkswagen_passat","2001_volkswagen_passat","2002_volkswagen_passat","2003_volkswagen_passat","2004_volkswagen_passat"]}],"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":[]}