Check Engine Light

First of all, testing will not reveal "evap system". A diagnostic trouble code or more than one will be recorded and must be followed up on. Evaporative emission system issues do not always require "smoke tests" and in fact smoke tests do not always reveal a problem that has been recorded. Keep in mind that in order for a concern to be diagnosed, it must be actively occurring. In some cases, evaporative emissions issues may be intermittent in nature, and may not reveal themselves when testing is performed. Use this link to find some shops near you that can help with your concern: www.repairpal.com/repair-shops