The contact owns a 2017 GMC Canyon. The contact stated that while operating the vehicle, the temperature gauge would not operate and the vehicle would not properly accelerate while pressing the accelerator pedal. Also while operating the vehicle the contact had become ill with headaches and dizziness which required medical attention. Upon inspection, it was discovered that a hair-like fiber was present coming from the exhaust pipes. The vehicle was taken to the local dealer who informed that the temperature gauge and exhaust system was faulty and needed to be replaced. The hair-like fibers were not identified. The contact was concerned that the hair-like fibers had clogged the exhaust system causing carbon monoxide to enter the cabin of the vehicle. The manufacturer was notified of the failures. The vehicle was not yet repaired. The failure mileage was 52,000.