One problem related to engine and engine cooling has been reported for the 2004 Kia Motor RIO. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Kia Motor RIO based on all problems reported for the 2004 RIO.
: the contact stated while driving 70 mph on normal road conditions a lost of engine power was noticed. There were no engine warning lights to alert the contact of an engine problem. The vehicle was taken to an independent certified mechanic who determined the engine blew out due to the presence of coolant mixed with the engine oil and recommended engine peplacement. The dealership and manufacturer have not been contacted. The vehicle remained inoperable. The contact was concern because the vehicle has been under regular maintenace since the purchase date.