restrictor pill adn cobb ap - Subaru WRX Forum
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#1 Old 07-10-2008, 11:29 PM
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restrictor pill adn cobb ap

well i been haVING problems with my stage 2 adn ive searched forums on cobb and it wouldnt let me post a thread there for some reason even though i registerd with them but any way my car has been cuttin out around 3k rpms in stage 2 on my car and i was reading that it is the restriction pill on the waste gate and they reccomended that i buy a new one or drill out the orignal one a little bit...does this sound like it would fix the problem??
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#2 Old 07-11-2008, 01:43 AM
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what are your mods? I didn't have to mess around with that restrictor pill. I'm also at stage 2 ots map, catless 3inc d/p at that, full 3 inch exhaust, drop in filter and i'm running fine. Be honest on telling us your mods and did you try installing a mbc and just forget to connect the 2 original hoses w/ the restrictor pill back? Don't get mad with my question because I know someone who has done that b4.
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#3 Old 07-11-2008, 04:30 AM
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I know the 06-07 WRXs have that problem, havent read about it for the 08s. Have you tried to email or call Cobb? They can and will that way also.

Joshua
"2007 WRX- PPG'd, 20G- Tim Bailey tuned
Stage 2 2005 WRX
Cobbtuning.com"
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#4 Old 07-11-2008, 10:52 PM
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i have a catless 3inch down pipe and full custom exhaust and im gettin the intake in bout a week...and i got the cobb ap lol...but my cel comes on and says waste gate 'A' and that line where the pill is located and i was reading in the cobb forums a guy with a 08 wrx like mine had the same problem and he called cobb and they are sending him a bigger pill...maybe i should call cobb directly like u said
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#5 Old 07-11-2008, 10:54 PM
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i didnt touch that line with the pill in it...do u think that it could be my programmer by any chance
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#6 Old 07-11-2008, 11:29 PM
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iirc there is a pill on the little tube on the waste gate side and on the turbo side also. yeah it won't hurt calling cobb..good luck bro
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#7 Old 07-11-2008, 11:32 PM
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yeah thanks...i asked one of my buddies that has a 02 bug eye and he had the same problem and said he just drilled out the pill a little bit and it worked for him but id rather buy one and know its right...i think that is the problem because thats what the code reader on the cobb is telling me and it all makes sense in a way if u read it in the cobb forum
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#8 Old 07-12-2008, 01:24 AM
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If you use the correct drill bit size you will be fine. But you can also purchase the line with the appropriate pill in it and change the line. Thats up to you. Good luck with it.

Joshua
"2007 WRX- PPG'd, 20G- Tim Bailey tuned
Stage 2 2005 WRX
Cobbtuning.com"
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#9 Old 07-12-2008, 08:17 PM
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ok do u kno what size drill bit i can use or what website i can buy the vacume line from bc i can not find it any where
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#10 Old 07-13-2008, 12:24 AM
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I would again try to ask Cobb. I looked through all the info I have and have found and couldnt find it myself, at least pertaining to the 08.

Joshua
"2007 WRX- PPG'd, 20G- Tim Bailey tuned
Stage 2 2005 WRX
Cobbtuning.com"
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#11 Old 07-14-2008, 04:13 PM
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I have an 08 and I'm about to go stage 2. I'm goin with a Cobb catted DP. Is this only a problem with Catless DP's?
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#12 Old 07-14-2008, 09:34 PM
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whats a pill restrictor?
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#13 Old 07-15-2008, 03:06 AM
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I know for the 06-07s it was, not sure about the 08s. A restrictor pill is in avacuum line and it helps to control boost. When you up the boost you can change/drill the pill,or change to a 3 port BCS usually.

Joshua
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Stage 2 2005 WRX
Cobbtuning.com"
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#14 Old 07-15-2008, 06:22 AM
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Quote:
Originally Posted by bak2rex View Post
iirc there is a pill on the little tube on the waste gate side and on the turbo side also. yeah it won't hurt calling cobb..good luck bro
It forms a T from the solenoid, with one hose going to the wastegate and one hose going to the turbo. There is only one pill and it is located in between the T fitting and the nipple on the turbo compressor housing.

To the OP, contact cobb, but you shouldn't be doing anything to your restrictor pill in a stage 2 setup. Are you getting a CEL when it cuts out? Is your cruise light flashing when this happens? With a catless DP the 2.5L engines are prone to overboosting.

Mike
DTRacing Tuned
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#15 Old 07-16-2008, 01:07 AM
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Hey Mike nice to see you back. Cobb actually has a bulletin for the 06-07 about changing the restrictor pill for the stage 2 setup to help with the overboost issue. But you are right in contactng Cobb. They are great,helpful people from my experience.

Joshua
"2007 WRX- PPG'd, 20G- Tim Bailey tuned
Stage 2 2005 WRX
Cobbtuning.com"
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