One problem related to engine clicking and tapping noises has been reported for the 2001 Nissan Frontier. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2001 Nissan Frontier based on all problems reported for the 2001 Frontier.
I own a Nissan Frontier se v-6 3. 3 4x4, all is original as purchased, at approximately 75,000 miles, this winter I have developed a loud ticking noise upon cold start up, after about 10 minutes or until warmed up it subsides and returns upon cold start up.