Had the same problem on my 97 Buick===turned out to be bad plug wire==do yourself a favor and check the simple things first ie wires and plugs!!!!
Random cylinder misfire
Misfire detection.
I'm not a mechanic / technician but I BELIEVE if the fuel injector is restricted so that the proper air - fuel mixture is not getting to an engine cylinder , that an engine cylinder misfire can occur ( that is only one of the causes of an engine cylinder misfire )
You have a severe misfire. See related questions below.
its the throttle position sensor
normally the coil pack
engine misfire. i have a '96 Chevy blazer but i don't have that problem, i was reading reviews on the car and found out that some of them do that.
Cylinder misfire. Possibly failed or failing engine mounts.
Misfire, bad spark timing, bad engine mountings.
Age, carbon deposits, and driving an engine with a misfire.
Partially clogged or engine misfire.
clogged cat