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Discussion Starter #1
I just installed a new tbe - catless on my 02 wrx. Sounds great but my turbo is pulsing in 4th and 5th gear. It also did this before the new exhaust. No check engine light. But in 4th or 5th when i step on it about 3000 rpms and up, the turbo kicks in goes then fades out almost feels like it's stopping (real quick) and then continues to boost, it is in and out of constant boost it feels like. I have looked a lot of places for answers and couldn't find anything. Any ideas would help.

Thanks!
 

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Master Baiter
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22,114 Posts
Boost oscillation.

Are you tuned?
 

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you know i recently had this kind of issue appear some on a long road trip in my 02 wrx running cobb v1 91 oct stage II v 1.30 map. Im not sure exactly what the deal was, i got home reloaded my maps, and so far things seem to be okay but it is at least still a lingering thought in my mind
 
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