How long will tailpipe testing of vehicles continue before being replaced entirely by OBD II testing?
In accordance with North Carolina statutes (House Bill 969), tailpipe emissions testing will continue on 1975 through 1995 vehicles until January 1, 2006 in Phase I Counties Only. In addition, all 1996 and newer vehicles will require OBD II emissions tests in these counties. The use of tailpipe testing equipment on 1996 and newer vehicles is not permitted. Phase II through Phase VII counties will be required to perform emissions tests on 1996 and newer OBD II vehicles through the vehicles OBD II connector only. After January 1, 2006, the only vehicles requiring emissions testing will be 1996 and newer OBD II vehicles, regardless of the county and tailpipe testing will be eliminated in Phase I counties.