TL*THE CONTACT OWNS A 2005 PORSCHE CAYENNE. THE CONTACT STATED THAT THE ENGINE LIGHT WAS ILLUMINATED THEN THE VEHICLE STARTED TO LUNGE FORWARD WHEN THE CONTACT TRIED TO ACCELERATE, AND IT BECAME DIFFICULT TO SHIFT GEARS. THE VEHICLE WAS INSPECTED BY A DEALER WHO ADVISED HIM THAT THERE WAS A MISFIRE ON THE ENGINE AND ONE OF ITS COMPONENTS NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS CONTACTED AND THEY ARE CURRENTLY WAITING FOR A RESPONSE. THE FAILURE MILEAGE WAS APPROXIMATELY 47,000. UPDATED 05/04/11 *BF UPDATED 05/11/11