Tapping noise similar to pre ignition. Timing chain??? on 2004 Nissan Murano

How common is the timing chain tensioner an issue with the engine in the 2004 Murano. Surprised it might be an issue at 53,000 miles. Noise is most aparent at cold start up and slow acceleration.

Asked by for the 2004 Nissan Murano
There is a link on repairpal homepage for Hear From The Experts, click on that and put vehicle info in and look for the engine ticking noise explanation.