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Boost issues


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Hi new to the group and new to subarus

I have owned my 1997uk turbo for a week now and believe its not boosting right it shows 8/9psi it has a manual boost controll fitted and previous owner said he had turned it up by 2psi meaning stock boost is 7psi seems very low 

I have disconnected Battery to reset ecu and still having same boost the boost holds so no leaks 

Any ideas before i buy a new boost solinoid

Thanks in advance

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First port of call is to remove that boost controller. Stock boost is 0.9bar or 12.6psi. Id have a strange inkling that boost controller isn't doing anything at all. 8psi would be giving you actuated boost pressure.

Try to chase all boost pipes and reset everything to factory setting to rule out "modified" parts. If you're using a boost gauge it may also be worth checking the wiring for earthing issues or poor power supply.

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