The California Department of Motor Vehicles (DMV) requires new residents to bring their vehicles to a smog inspection station (see Completing a Smog Check in California below) for a smog check before registering their vehicles, which must be completed within 20 days of establishing residency. read more
The car should be at a normal temperature so that the oxygen sensor and catalytic converter can minimize emissions. A failed smog test should not discourage car owners from taking the necessary steps to pass. read more