Does this engine have a timing belt or a chain? on 2011 Toyota Corolla

If it is a timing belt, how often does it need to be changed?

Asked by for the 2011 Toyota Corolla
It has a timing chain. No interval on timing chains.
1 more answer
this engine hasn't changed much over the years as it is one of toys workhorses and it has a timing chain.Hope this helps
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