{"nhtsa_id":39013,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1995-03-01","date":"1994-12-01","document_id":"RCL/616","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL","mfr_system":null,"summary":"IT HAS BEEN DETERMINED THAT THE OXYGEN SENSOR ON CERTAIN 1989 JEEP CHEROKEE, COMANCHE AND WRANGLER MODELS EQUIPPED WITH A 2.5L ENGINE MAY BE SUSCEPTIBLE TO FAILURE. FAILURE OF THE OXYGEN SENSOR MAY CAUSE YOUR VEHICLE TO BE IN VIOLATION OF FEDERAL EMISSIONS STANDARDS. TO CORRECT THIS PROBLEM, DEALERS WILL REPLACE THE OXYGEN SENSOR. *TW","document":null,"url":"https://open.wenmarpro.com/bulletins/39013","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"JEEP","model":"CHEROKEE","year_from":1989,"year_to":1989,"match":"exact","vehicle_ids":["1989_jeep_cherokee"]},{"make":"JEEP","model":"COMANCHE","year_from":1989,"year_to":1989,"match":"exact","vehicle_ids":["1989_jeep_comanche"]},{"make":"JEEP","model":"WRANGLER","year_from":1989,"year_to":1989,"match":"exact","vehicle_ids":["1989_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":[]}