how often does the the chain to need checked,or repaced?

Hello, I assume you mean the timing belt or chain here, It is around 80,000-100,000 mile service, this is a good time to do a visual inspection to prevent $$$$ repairs later, try our FREE online cost calculator for your area! www.elstonauto.com it will also give you much more info on the repair and local shops and their labor and parts cost!