I went to get my smog test done today. I failed only because my CEL does not work. I was told that my bulb was missing or burnt out so that I would have to get it checked. I was confused because he was looking by the fog light indicator. I looked at the manual and it says its in the middle. Well now I was wondering if turn the key all way before I turn the engine over. Is the check engine light supposed to stay lite until I turn the car over? Or does it only turn on if I am throwing a code for a check engine light?

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