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1999 Toyota Avalon Smog Check without Gas Cap Attached

My 99 Toyota Avalon's smog test was performed with the gas cap off. I pointed it out to the technician and he said "It's o.k." is this true?

Answer:

Technically "it's ok" as it would not affect your Toyota Avalon's emissions test outcome. We would not recommend driving a vehicle without it's gas cap (on the road or on a dynamometer) for simple safety reasons. posted by SmogTips Support

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