Can I clear the check engine light and then bring it in for smog?
Clearing the check engine light requires completed drive cycles before smog testing.
Quick Summary
Drive cycles must complete after clearing codes.
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Answered by Sonny Baird
Last updated 1/16/2026, 3:07:46 PM
If you clear the light then you need to run drive cycles for the readiness monitors to show completed (Some exclusions on certain vehicles apply).
Sonny Baird
General Sales Manager, West Says Yes
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