One problem related to loud engine noise has been reported for the 2004 Mazda MAZDA6. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Mazda MAZDA6 based on all problems reported for the 2004 MAZDA6.
The contact owns a 2004 Mazda 6. While driving 30 mph, the vehicle stalled without warning. The vehicle was towed to an independent mechanic and the battery was replaced, but the failure recurred. The vehicle was towed to a dealer where it was diagnosed that the oil needed to be changed and the starter needed to be replaced. The vehicle was repaired. After the vehicle was serviced and while driving at an unknown speed, an abnormal sound emitted from under the hood and the check oil warning light illuminated and the vehicle stalled. The vehicle was taken back to the dealer where it was diagnosed that there was metal fragments in the oil and the engine needed to be replaced. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was 115,000.