legacycentral bbs

Ok, I think I found it and it was a vacuum leak. So I've got a question. Right infront of the turbo there are 2 hardlines. One has the hose for the fuel going into the regulator. Under that is a vacuum line from off the intake manifold. Where does that go? It was broken under there. There are 4 vacu...

At the IAC, in the manifold, there is that rubber piece and then the flat circular thing set in there. What are they for? Is it possible for the circular thing to not do it's job?

Just like the subject says, I need an IAC from an EJ20G that's in good working order. Thanks.

Brent

I don't have a stock ECU, I've an Apexi Power FC.

I put a different BOV on and there was no difference, so now I'm gonna try a different IAC.

I cleaned the IAC and it didn't help. I can hear the IAC buzzing when my key is turned to ON. I tested the wiring on it also. The center is power, the black wire is grounded, and the 3rd wire had a very very weak ground.

Brent

I'm trying to locally find another BOV I can test, but I don't have a stock one I can use with my FMIC.

I'm gonna clean my IAC real well, but I'm really beginning to think it's the BOV causing all the problems. It's pushing out more air than normal.

I've got a mysterious vacuum leak on my EJ20G that appeared after 9 hours of highway driving. The leak was real loud, very apparent. It seems to disappear when I get out of vacuum, but it might be that the engine is just that loud. For a while it idled horriblely, between 700 and 1500 RPMs, just bou...