Why does my car keep ctting off and riding rough? on 1990 Mercedes-Benz 190E

Replaced fuel pumps and filter also was using Lucas fuel injector cleaner aand the car was running fine. Now that I have run out it cuts off when I try to take off or switch from like reverse to drive

by in Houston, TX on July 13, 2012
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1 answer
ANSWER by , October 16, 2012
spark plug cables, a tune up would do the job