2005 Mercury Sable - Changed wires, now it seems like it runs on just 3 cylinders

I’ve changed all 6 spark plugs and wires . when pulling out from dead stop it acts like it’s running on 3 cylinders. Not sure if it’s something to do with fuel pump or filter or maybe a sensor or even coil pack

So is the check engine light on? I imagine it is. have the codes read and post them here - the number, in the format P1234.

Be nice to know some details about the car… mileage, engine, transmission ect.