One problem related to engine has been reported for the 2004 Cadillac CTS. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Cadillac CTS based on all problems reported for the 2004 CTS.
The contact owns a 2004 Cadillac Cts. The contact stated that the engine would exhibit an abnormal increase in rpms when driving 50 mph and above or while sitting idle with the vehicle in park. The vehicle was taken to a mechanic who replaced the throttle body sensor and the accelerator pedal sensor. The failure recurred two weeks later. The vehicle was not taken to the dealer and the manufacturer was not contacted. The failure mileage was 99,300.