300zx running 5 psi

[Elminsster]

I have a 1990 300zx twin turbo. I am currently running only 5 psi. My boost solenoids are removed and I don't have a boost controller installed. Because of that I thought that it would knock me into safety boost which I thought was 7psi? I ran codes and am getting code 55 so I am lost. Any ideas? Any input at all will be much appreciated.

[nissanfreak12]

Check for a vacuum leak. May have a good size one. Are you going off a stock gauge or a aftermarket?

[twinturbozxtacy]

ok so you have no boost solenoids but you think it will go into safety boost without them? i dont know about the stock boost system but if you have the stock turbo wastage's hooked up to the plenum you will run stock boost... unhooked they will run a lot more... i mean the solenoids control the boost pressure.

[Elminsster]

Yes but the stock wastegate spring pressure is 7psi. So without the solenoids wouldn't it just run 7psi off of the eastegates? I'm going off of an autometer gauge