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Hello. Do you have any electrical diagnostic equipment?
Have you replaced the throttle position sensor?
You have replaced the throttle position sensor?
Ok, can you describe the jerking? Is it while driving the vehicle?
Ok. Does it smooth out after that?
Have you removed the distributor and inspected it?
I am sorry, I will have to do a little bit of research on some sites I have available.
I will opt out so that someone else may be of more help.
Ok, I did some research and I now feel you pain. There is many common issues with system.
Have you replaced the power stage?