Cadillac STS owners have reported 1 problem related to ignition coils failure (under the electrical system category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Cadillac STS based on all problems reported for the STS.
The contact owns a 2005 Cadillac Sts. While driving 35 mph, the vehicle shook and the check engine light illuminated. The vehicle was driven back to the contact's residence and smoke emitted from the engine. The vehicle was able to restart. The vehicle was towed to an independent mechanic who diagnosed that the ignition coil had total meltdown surrounded by small flames, and the fuse was blown for the odd injectors. A fire report was not filed and there were no injuries. The vehicle was repaired. The manufacturer was notified of the failure. The failure mileage was 82,920.
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