We would first need to know which engine your vehicle is equipped with to get the specific information. Some engines have a timing belt, and others have a timing chain. In either case, if the chain/belt has not been replaced by 150,000 miles, it is highly recommended that you have it checked, at the minimum, and preferably replaced at this point.
I recommend having a certified mechanic, such as one from YourMechanic, come to your location to determine if the timing belt needs to be replaced.
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