One problem related to engine has been reported for the 2004 Buick Rainier. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Buick Rainier based on all problems reported for the 2004 Rainier.
Consumer was driving along and vehicle starts sputtering and then died out in the road. After the 1st incident vehicle was taken to dealer for repairs. The driver drove the vehicle for about two months and it happened again. The vehicle was taken back to dealer who indicated they couldn't find anything wrong. The manufacturer was contacted and they suggested that the consumer get a second opinion. The consumer has parked the vehicle because he is afraid to drive it for safety reasons.