We accept all competitor coupons! Pass or receive a free retest within 90 days! At Smog Time you don't have to worry about making an appointment or traveling a long distance for your smog check. We have 4 convenient locations to serve you in Tustin, Irvine, Orange and Mission Viejo. We certify all vehicles, including cars, diesels, vans, RVs, SUVs, trucks, out of state vehicles, and changes of ownership. Look forward to fast and friendly service whenever you come in. Check out our website for coupons and discounts! We've been in the Smog business since 1999!