See also:

Under the Hood
Four-cylinder and V-6 engines are available for the Liberty. A 150-horsepower, 2.4-liter Power Tech four-cylinder is standard in the Sport model. A 210-hp, 3.7-liter V-6 produces 235 pounds-feet o ...

Engine Oil Filter
The engine oil filter should be replaced with a new filter at every engine oil change. Engine Oil Filter Selection All of the manufacturer’s engines have a full-flow type disposable oil filter. ...

Onboard Diagnostic System — OBD II
Your vehicle is equipped with a sophisticated onboard diagnostic system called OBD II. This system monitors the performance of the emissions, engine, and automatic transmission control systems. ...