check the vacuum hoses
no, 2 different engine blocks, it wont bolt up
1990 gmc p/u 5.7 wont idle showing code 12
main relay
why wont my 1991 Honda acord rev higher than 3500rpm sometimes ?and why wont the trans go into 3rd and 4th
two plugwires were off when car started and ran for 15 seconds
Check the fuse and the relay.
try cleaning your carburetor thoroughly
Did you chaeck the fuel pump?
The igniter has gone out. The part cost about $100.
transmission trouble for sure
there might be a fuel shut of switch that could of tripped could be a bad alternator
You probably have a clogged fuel hose.