Thread: Odb ii
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Old 07-26-2018, 01:38 AM   #3
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Quote:
Originally Posted by doridori View Post
I just replaced the battery for my 2002 Boxster. And now, I need to do a California Smog check. It didn't pass the ODB II.

May I know what exactly do I need to do to pass the ODB II? Do I need to complete a certain drive cycle?

Thanks
If you just replaced your battery, the I/M Readiness monitors have not reset. You will need to drive the car 100-200 miles to get them to reset, and then it will pass.
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