One problem related to ignition has been reported for the 2005 Mazda RX8. The most recently reported issues are listed below.
: the contact stated while driving at 70mph, the anti-skid and check engine lamps illuminated. After the lamps illuminated, the vehicle's engine revved and the vehicle lost power. The speed decreased from 70mph to 15mph within 8 seconds. The vehicle was pulled off the road, were the ignition was turned off and restarted. The vehicle restarted with ease, but the engine still revved high and the lamps remained illuminated. The vehicle was towed to the local dealership. Diagnostic testing was completed on the vehicle however the dealer was not able to determine the exact cause. The dealership personnel suggested the electrical system was defective. The vehicle remains at the dealership were additional testing is underway.