1997 Geo Tracker Q&A
1997 Geo Tracker Question: What is Evaporation System Malfunction and how do we fix 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. - dandd