One problem related to gas recirculation valve (egr valve) has been reported for the 2004 Buick Regal. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Buick Regal based on all problems reported for the 2004 Regal.
The contact owns a 2004 Buick Regal. The contact took the vehicle the dealer (integrity Dodge located on 6025 International dr, chattanooga, TN) for a recall repair. The technician removed the gray cover gasket from the engine and informed the contact that everything was ok with the engine. The vehicle was repaired. In addition, when the vehicle was taken to walmart for service, the technician found a leak coming from the tap of the engine cover and stated that the gasket needed to be replaced. The vehicle was not repaired. The VIN was included in a recall for the engine and engine cooling. The manufacturer was notified of the failure and referred the contact to NHTSA. The NHTSA campaign number was unknown. The approximate failure mileage was 9,284.