California is updating its smog check rules to require all OBD-II readiness monitors to be complete for most vehicles, with very limited exceptions. These monitors verify that emissions systems are ...
What’s changing: Starting October 1, 2025, all OBD II readiness monitors must be set for a vehicle to pass a smog check, replacing previous allowance rules. Why it matters: The update ensures ...
You will undoubtedly need to have your vehicle serviced throughout its lifetime. Mechanics will perform routine maintenance, with some mandatory procedures along the way. One of these procedures or ...