93 miata was flooded. will idle fine. but chokes down when you give it gas?

What is your question?

93 miata flooded during hurricane. now cranks fine, but immediately chokes down once you get it the gas to go. computer gives no indication of any problem. Mechanic has run out of options. Any help would be appreciated.

What makes this problem better or worse?

immediate shutdown when you apply gas.

How long has your 1993 Mazda Miata had this problem?

car sat for 3 months after flooding.