You can sign a waiver and they can do a tailpipe test on it. I did it on my girls car and it passed. I would recommend taking it to AutoZone or some place like that first and have them check the codes.
You will not pass with a check engine light on. One of the most common causes of check engine light are a bad gas cap. So, agree with Paul. Go to A/Z when they aren't busy and they'll happily check the codes for you and tell you where the problem is.
No. That is one of the questions they ask. And when they get in vehicle they can see it. I would go up to Autozone and get it diagnosed for free and if nothing major go on youtube to learn how to clear the engine light
u will fail
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