The contact owns a 2017 Jaguar XE. The contact stated that while parked and attempting to start the vehicle, the contact heard abnormal sound coming from the engine and the vehicle failed to respond as needed. The contact stated that on another occasion while attempting to start the vehicle, the vehicle responded as needed. The vehicle was taken to an independent mechanic where it was diagnosed that the timing chain needed to be replaced. The vehicle was not repaired. The vehicle was repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 131,630.