check the alt. to make sure it's charging
Your fuel relay is faulty
adjust your carb so it will keep the fuel up
headlight switch is bad
It means the car is overheating.
You don't.
car cuts off
car starts but when i put it in gear it stop
Some cars allow you to leave one or other headlight on when you are parked in the street at night (for safety) - have you checked if your car does this in the manual - if it does then you will be able to switch it off.
Time for a serious tune up.
because it requires gas to run good. when it has no gas it cuts off :)
it is 1991 chevolet caprice....ecm
You need to check your timing belt if it is not in time it will not start or run for a little then shut off.