One problem related to gas recirculation valve (egr valve) has been reported for the 1997 Ford Windstar. The most recently reported issues are listed below.
97 Windstar has head gasket failure im still paying on it purchades at avis Ford of southfield 12 mile telegrap mi cannot afford fixin it I believe is a manufacure failure and need to be fix do not have any safer transportation available at this time please hel us.