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No Boost taper with new wastegate
Posted by Bruce (more from Bruce) on Tue, 5 Jun 2001 21:48:20
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I've change new wastegate for my 9000CSE and found some trouble.
With the old one , boost peak at the end of yellow around 2-3-4 k rpm , then fall back to 3/4 of yellow at 5-6k rpm.
I know that it is the apc functional. But , with new wastegate , it's a little harder than the old one (I need to set baseboost at 0.6 bar instead of 0.4 bar to get the maximum boost 0.9 bar@ 2000 rpm)
After I test the car , it boosts well at 0.9 bar at all time 2-3-4-5-6 k rpm. NO Taper now !
I've alredy check the APC hose , It's all in the correct position. And when I hit the gas padel at WOT , hit the brake padel , the car function to baseboost correctly.
So , what should I check to find the problem now and is this a serious trouble?
Thank you,
Bruce
9K CSE '94
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