Starting this month, California’s smoke inspection inspections will specifically look for modified engine control software. OEM and CARB approved aftermarket Electronic control unit The tune should be fine, but vehicles found to have unapproved ECU software will malfunction. According to the CA.gov website: “From July 19, 2022, vehicles whose software is not provided by an original equipment manufacturer (OEM) or are not approved by the California Air Resources Board (CARB) Executive Order (EO) will not be approved Smoke check.”

Please note that the mere existence of substandard software is enough to cause failure.The inspection does not have to prove that substandard software leads to higher Emissions Level.However, not all Aftermarket The software is unqualified. Some ECU tuners have been able to obtain approval for their software from CARB.

First, briefly introduce California’s smog inspection rules. Once the vehicle has passed its fourth birthday, if it is sold to a new owner, it needs to undergo a smoke inspection. After the vehicle has been used for eight years, a smoke inspection is required every two years anyway. If the vehicle is from another state, a smoke inspection is also required to register the vehicle in California. Vehicles of 1975 or older do not require any smoke inspections.You can read more about frequently asked questions about smoke inspections in the state Here.

This new test program is only suitable for newer vehicles, that is, vehicles with OBDII ports, and they provide a way to view engine management software. Older vehicles undergo a visual inspection and/or exhaust pipe sniffer test.website carbibles.com I recently delved into the technical aspects of this issue and the post received a lot of comments On Reddit, Some of them are rants, but many of them are insightful. If you want more information, please check them out.

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