What can i do to check it out?
Check engine light on? If so get it scanned and let us know what it is. May just need a full service done Fuel filter, plugs,wires,ect.
Try cleaning the throttle body with a good throttle body cleaner
Looking for a Used Liberty in your area?
CarGurus has 7,229 nationwide Liberty listings starting at $990.
Search Jeep Liberty Questions
Jeep Liberty Experts