TwinTurbo.NET: Nissan 300ZX forum - Car wont boost over 0 psi!!!
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Subject Car wont boost over 0 psi!!!
     
Posted by xLoWx on July 14, 2008 at 1:52 PM
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Message Just purchased a 90 300zx tt, and the car will not boost past 0 psi. It has an aftermarket boost guage and turbo timer. THe only two mods visible.
The aftermarket boost guage actually shows it boosting to 3 psi, but the stock guage reads 0 psi. It idles at -14 on both.

My thoughts are as follows:

* Major boost leak
* Turbos siezed up
* Something messed up with the wastegates...
* The previous owner thinks its a "sensor" messed up, which it may very well be, but from my ownership in turbo'd cars, im not so sure.

I have searched and from that, it looks like I might be close on the above thoughts. ANyone have any more input?

Can someone tell me if there is a "homemade" way to make a boost leak tester? I have a 2 1/4 inch tester already, but not sure if it will work on the 300z. Any help would be appreciated! thanks!

     
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