1990 Mercedes-Benz 190E Q&A

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

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 -
Answer 1
spark plug cables, a tune up would do the job -