Step 6 of 7 · Check Engine Light Decoded
Clear only after you fixed something
Clear only after you fixed something — step 6 of 7 in Check Engine Light Decoded. Clear, then drive mixed roads. If it comes back immediately, you missed. If it stays off for a week, you probably hit it.

Free auto & mechanics tip: Clear only after you fixed something (step 6 of 7 from "Check Engine Light Decoded").
Clear, then drive mixed roads. If it comes back immediately, you missed. If it stays off for a week, you probably hit it.
Don't clear the day before an emissions test. Monitors need drive cycles to show ready.
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