Quote:
Originally Posted by kidatari
Psst... disconnecting the wastegate line reverts to 'wastegate boost' which it typically set low to prevent the motor from self-destructing in case of the pressure line getting disconnected. That would be why it stayed around 9psi when you disconnected the vacuum line.
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Psst... Not true. If you disconnect the pressure line or the line going to the wastegate then the wastegate will not open until pre-turbo *exhaust* pressure gets very high. Overboost will occur before that happens.
If you disconnect the line going to the the boost solenoid (and plug it), then the turbo reverts to wastegate pressure. (This assumes stock bleeder-type boost control).
Jesubi11, which line did you disconnect?