i had water in the gas tank i droped it, clean it out put it back up now it stil on 1999 Pontiac Grand Prix

i had water in the gas tank i droped it, clean it out put it back up now it stil want srat?

3 answers
Plugs are drowned out, replace them after ALL water is removed. Give it a shot of carb cleaner to get it started the first time. Assuming spark is ok!? Should be backfiring in intake manifold at least, is it?
Did you flush the fuel lines and change the fuel filters? What about the pump. All of these can be affected by the water.
plugs are fouled and did you bleed fuel lines of water?