{"nhtsa_id":10076206,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-07-07","date":"2002-06-01","document_id":"TSB-013","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"ENGINE BACKFIRE AND RELATED DRIVEABILITY ISSUES WHEN A VEHICLE IS IDENTIFIED WITH A BACKFIRE IT IS RECOMMENDED THAT THE CHECKS BE FOLLOWED IN THE INDICATED ORDER. PERFORM A DIAGNOSTIC CIRCUIT CHECK ON THE VEHICLE. VERIFY THAT THE MIL ISFUNCTIONING PROPERLY. IF THE MIL IS ILLUMINATED, RETRIEVE ANY DTCS FROM THE PCM AND FOLLOW THE APPROPRIATE SECTION OF THE GM MEDIUM DUTY SERVICE MANUAL.","document":null,"url":"https://open.wenmarpro.com/bulletins/10076206","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"QUANTUM FUEL SYSTEMS LLC.","model":"CNG FUEL TANK","year_from":null,"year_to":null,"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":[]}