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

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Can the service engine light come on because of it?
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
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