{"nhtsa_id":602198,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1998-10-15","date":"1998-08-21","document_id":"182898","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM","mfr_system":null,"summary":"ERRONEOUS MIL WITH DTC $71(PO441) -EVAP PURGE FLOW MONITOR FAILURE DUE TO INAPPROPRIATE FUEL LEVEL READINGS DURING THE TEST SEQUENCE. *AK","document":null,"url":"https://open.wenmarpro.com/bulletins/602198","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"JEEP","model":"WRANGLER","year_from":1998,"year_to":1998,"match":"exact","vehicle_ids":["1998_jeep_wrangler"]}],"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":[]}