{"nhtsa_id":630821,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-04-24","date":"2002-03-13","document_id":"ITB01045A","mfr_campaign":null,"replaces":"ITB01045","component":"UNKNOWN OR OTHER","mfr_system":null,"summary":"SUBJECT REGARDING MALFUNCTION INDICATOR LAMP ON WITH REAR OXYGEN SENSOR DIAGNOSTIC TROUBLE CODE PO138-P0140 OR P0158-P0160 STORED. *YH","document":null,"url":"https://open.wenmarpro.com/bulletins/630821","components":[],"codes":["P0140","P0158","P0160"],"topics":[],"vehicles":[{"make":"INFINITI","model":"QX4","year_from":1999,"year_to":2000,"match":"exact","vehicle_ids":["1999_infiniti_qx4","2000_infiniti_qx4"]}],"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":[]}