According to state law passed this year, all vehicles made since 2004 must have the computer emissions test. Older vehicles only require a visual emissions test.
"The exemption took effect June 14 as part of a suite of transportation laws passed by the Legislature this year. The Department of Motor Vehicles filed proposed rules to formally adopt the change in late August. All vehicles are required to have emissions systems visually inspected. But only newer vehicles — model year 2004 or newer — are required to have an on-board diagnostic test."
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