The Smog
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Every California smog check term and question, plainly defined
A–Z
› Light just came on yesterday — can I still smog?
Light just came on yesterday — can I still smog?
Probably not — drive cycle hasn't run long enough.
recent code may show as 'pending' OBD
OBD readiness monitors will fail
fix issue and drive 100-150 mi
Per OBD-II protocol.
View in the A–Z glossary →