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Car won't start

96 olds ciera 3.1 v6 200,000 miles. Put new wires, plugs, and coils engine will not start it just sputters and cough or backfires through carburetor.

Are you sure the new wires are connected to the correct spark plugs?

Assuming the engine was running before, it sounds like the firing order is wrong.

Carburetor? On a '96?

The car started but push accelerator too the floor and the car just shakes like it hitting on 3 cylinders. Double check wires to spark plugs and they are on right firing order. The car was kind of missing alot before installing wires and plugs.

NOW, the engine will idle; but, will misfire when the gas pedal is depressed. This sounds like a fuel problem. You need to check fuel pressure.
With this many miles on the engine, you need to make sure the air filter is clean, and change the fuel filter.
Clean the idle air control valve air passages and the throttle body bore and throttle plate to insure proper air flow through the air intake.
Check the output voltage of the MAP Sensor, and of the TPS (Throttle Position Sensor).

Put new air and fuel filters. Clean the idle air control valve air passages and the throttle body bore and throttle plate. Check the output voltage of the MAP Sensor, and of the TPS (Throttle Position Sensor) everything was good. Took off the intake manifold and injectors. The number 4 and 5 intakes were full of gas. The number 3 and 5 injectors holes were full of gas also. Is it time too take olds to graveyard?