One problem related to engine clicking and tapping noises has been reported for the 2018 Hyundai Tucson. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2018 Hyundai Tucson based on all problems reported for the 2018 Tucson.
I was driving on a interstate got off on a exit and my car started doing a loud ticking noise and would not accelerate over 40 mph. I drove the car to get the car tested to see the problem . The code read knock sensor. Got the knock sensor replaced by a local mechanic and the car drove the say way before I took it to his shop. The car only has 67,00 miles.