will turn over but firing through the coil and not the plugs.what could this be? on 1994 Chevrolet S10

when engine started to warm up it started to sputter and hesitated at about 20 mph then died. was flooded but i replaced all spark plugs. it will turn over and is firing through the coil but has no fire in the plugs. but wont start at all

Asked by for the 1994 Chevrolet S10
try new wires