What is Evaporation System Malfunction and how do we fix it? on 1997 Geo Tracker

Can the service engine light come on because of it?

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1 answer 1 comment
Yes, the Service Engine Soon light will come on with an evaporative system problem. First you need to get the specific code, then a good shop can diagnose the problem. And, be sure that your gas cap is in good shape and is on tight with 3 clicks.
Thank you for the prompt reply.
Well, i got the message from the reader saying EVAP system leak (large leak). How do i fix this? thanks