Car won't start after replacing spark plugs all seems okay on 2004 Kia Optima

Replace spark plugs double check gap double check for new order now car won't start

Asked by for the 2004 Kia Optima
2 answers
Did you hook the coil supply connectors back up? 2 coils and 2 plug wires, no way to mess this up! Recheck your work.
agree with wetry