Engine surge please help!

[MP6]

I am looking at a 87 grand national to buy. It idles at 3000 rpm and if you try and floor it shuts off and if you gradually get into it it surges very bad. the gas is 6-7months old. any ideas?

 

[mearly65]

TPS and IAC set correctly?

 

[MP6]

TPS and IAC set correctly?

how would you know? are these cars OBDI cars?

 

[TurboBuRick]

You need a scan tool. They are OBD/I

 

[trbojo]

maf sensor....