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Ej20g turbo issues


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In need of some advice 
I have a 97 stb sf5 that was running mint now won’t build more then wastegate pressure unless free boosting and seems to run like s*** when boost solenoid is all hooked up , iv also noticed my bov isn’t opening anymore (can push it open with finger ) and even blocking bov off still hear no turbo flutter anyone got any advice in what to start looking at ?
it does have a exhaust leak between manifold and up pipe but I wouldn’t of thought that would cause that much of a drastic change?

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Definitely sort that exhaust leak mate - all the exhaust gas that should be spooling your turbo is exiting out that leak before it makes it to the turbo so that will likely be your main issue (if not all of it).

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So wait, it will build boost if you freeboost it?

If so it's a problem with your boost control, but you want to be very very sure it's not in limp mode and restricting boost because of that.

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