Q: when i stop at a red light my 1989 mercedes benz well stop runing . on 1990 Mercedes-Benz 300E

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i have chang the full fellter but the car steel stops runing when i stop at the red lights.
(1) Answer
check the crank shaft sensor, my car woud just die at the stp light , it felt like it might be fuel related, but it was the crank shaft sensor.. i found out that this is quite common.