2000 Saturn LS Base 4 Cyl 2.2L
The car shakes when you turn it on and is very loud. We have replaced the spark plugs, but the car is still shakes.
It is very loud as well.
Did you already try to check your ignition timing and the condition of your engine mounts? Is your check engine light ON? If possible diagnose your vehicle with a scan tool to check for any stored trouble code.