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As long as there are no engine performance symptoms like skipping or stuttering, more than likely, the problem lies in the EVAP (emissions control/recovery) System. This system will in no way affect the engine. So, yes, it is perfectly safe to drive the vehicle. In the meantime, give the Fuel Cap a check and make sure it is seated correctly and tight. If the fuel cap checks ok, the Diagnostic Trouble Codes (aka "P-Codes") will need to be scanned from the on-board computer. These codes will more accurately point to the part/sensor that has the problem and from there the correct repair can be made. You can have these p-codes read FREE (except in California) at any local "big chain" part store (ie. AutoZone, PepBoys, Advanced, etc). Until you can have these p-codes scanned, it's safe to drive the vehicle. If you found this answer helpful, please help me by leaving a rating using the "stars" at the top of the page or click 'accept'.Rating or accepting my answer does not cost you extra. It allows me to be credited for this Q&A. If you cannot rate or do not see where to rate, please let me know!
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