1. Fuel system - check fuel level and pressure, fuel pump, fuel lines, and fuel injector
2. Air intake system - check air filter and intake components
3. Ignition system - check distributor, rotor, spark plugs, and ignition coil
4. Engine idle control system - check idle control valve and actuator
5. Vacuum Leaks- check for leaks in the vacuum lines
6. Computer System-check for any error code.
If you're not comfortable checking these components yourself, you can take your car to a mechanic for diagnosis and repair.