[torqueman0]

So yeah i have an EFI 351w in my 88 lx and the weirdest thing is happening.... the car cant idle one bit when my car has no vacuum leaks, yet when i make one by unplugging a bung in the upper intake, it idles perfect... whats the deal? any ideas?

 

[Blue Fastback]

possible IAC failure not allowing any air into the engine.

 

[My427stang]

IAC misadjusted or stuck