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Trouble building boost.

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Old 06-29-13, 08:37 PM
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bcrotary.

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Trouble building boost.

So, my FC has been notorious since I've owned it for boost spiking around redline to 12psi. So, I got my turbo rebuilt, my motor rebuilt and every gasket replaced so there's no boost leaks.

As of yesterday, my car won't go past 4psi at any RPM. What's wrong?

My car;

- Stock ECU
- FCD
- Racing Beat turbo-back Exhaust
- Stock turbo, with Knightsports T4 comp. housing


Thanks in advance.
Old 06-30-13, 12:05 AM
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check WG actuator?
Old 06-30-13, 09:27 AM
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If the eh actuator is stuck open u would only see 4 psi
Old 06-30-13, 09:54 AM
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FD Daily

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Yep...make sure the little e-clip that attaches the actuator rod to the flapper arm hasn't fallen off.
Old 06-30-13, 09:27 PM
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bcrotary.

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I just replaced the clip when I redid the turbo but I'll check again. Thanks guys.
Old 07-01-13, 05:57 AM
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I have a boost problem myself, but my FC makes 0 boost. I'll check my WG actuator myself.
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