Thread: Boost Issue
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Old Aug 8th, 2012, 18:32   #1
djx11b
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Last Online: Feb 13th, 2024 10:07
Join Date: Aug 2009
Location: UK
Default Boost Issue

Hi guys hope someone could help me just got a s40 t4 1997 model and drove it home fine not booting it as long journey and trying to get good mpg.

Just went out in it there and will boost at 1.1 bar fine all the way up the revs till about 4500 rpm after that the boost will just drop to nothing and won't come back till i change up a gear and the revs drop down below 4500 rpm again.

the car has a baileys dump valve fitted at the back of the engine and i believe it has a TD04-16G turbo which it has been mapped to I'm told by last owner.

any help would be great thanks
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