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I know what causes boost to creep.But mine seems to spike alot goes to like 19lbs then settles back down to about 16 seems worse if i just roll into the throttle.I think i have a pretty good ex manifold leak was wondering if that could cause it?
 

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moreBoost said:
I know what causes boost to creep.But mine seems to spike alot goes to like 19lbs then settles back down to about 16 seems worse if i just roll into the throttle.I think i have a pretty good ex manifold leak was wondering if that could cause it?

You should have a dedicated feed line comming from the compressor housing/J-pipe, depending what turbo you have, going to your boost controler. Check the ball in the boost controler. Mine got stuck and caused me some big problems. As for your exhaust manifold leak, that will just cause more turbo lag, not boost creep.
 

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Boost spike is caused by the wastegate not opening soon enough. What kind of boost controller do you have?
 
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