you either did not gap the plugs to spec or you put this wires on wrong
There are a couple of reasons a 1991 Chevrolet Caprice may stall out. The car may need a new distributor cap or the plugs may need changed. A mechanic will be able to determine the causes of the stalling car.
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There are four spark plugs on each side of your 1991 Chevrolet engine. The spark plugs will be near the bottom of the engine.
Connections for the water temperature sensor.
Its not easy. I did it on a 77 Caprice and it took me three days and two broken fingers. Take it to a shop.
Fuel injectors or coil
check your fuel filter and also your spark plugs.
look for the round silver or chrome cylinder that plugs into the fusebox.
I have a 95, had a misfire... mine was because of the plug wires... changed the wires and plugs mis fire stopped...
Last summer, the cylindars started to misfire on my 2002 lancer. Once the spark plugs were changed, I haven't had any more issues.
There are a couple of reasons why a 1999 Ford Contour may misfire. The spark plugs may need changed or the coil pack may be bad.
The distributor could be failling, there might not be enough fuel or air reaching the engine (too much is bad too), or your spark plugs/wires are damaged or not to spec.