{"nhtsa_id":10109510,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-08-01","date":"2014-09-18","document_id":"L-TT-0093-12","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"Tech Tip: Some IS250 and GS300 vehicles may exhibit one or more of the following conditions: MIL \"ON\" DTC P0300, P0301, P0302, P0303, P0304, P0305, and/or P0306. Intermittently runs rough after coming to a stop with the engine at operating temperature. Intermittently runs rough with engine misfires present after a cold soak startup. NOTE: The recommendations in this document apply to an intermittent misfire concern. If a vehicle exhibits a steady misfire, the root cause is not related to the referenced service bulletins and the repair manual should be referenced for diagnosis.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10109510-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10109510-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10109510","components":[{"id":"engine","name":"Engine","parent":null}],"codes":["P0300","P0301","P0302","P0303","P0304","P0305","P0306"],"topics":[],"vehicles":[{"make":"LEXUS","model":"GS300","year_from":2006,"year_to":2006,"match":null,"vehicle_ids":[]},{"make":"LEXUS","model":"IS 250","year_from":2006,"year_to":2010,"match":null,"vehicle_ids":[]},{"make":"LEXUS","model":"IS 250C","year_from":2010,"year_to":2010,"match":null,"vehicle_ids":[]}],"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":[]}