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Sep 7, 2009, 12:44 AM
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#1
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Newbie
Personal Sales Rating: ( 0)
Join Date: Aug 2008
Location: Oklahoma
Posts: 23
Drives: e46 330ci and Evo 8
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no boost pressure?
Hi guys, im new to the evo and just started work on it. There seems to be a problem with boost as the boost gauge is showing no boost pressure, we checked all the wiring and everything seemed to be fine, then we checked the mbc and there is no boost pressure in the line before or after the mbc. We are thinking it is the wastegate and its stuck open, i read on here that it could be the wastegate selnoid (sp) which causes the wastegate to remain open.
We took the car out for a spin and everything seems to work fine and it runs strong but no boost pressure from the wastegate out....
any ideas what it could be?? Thanks
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Annnnnnnnnnnddd the boost kicks in
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Sep 7, 2009, 07:09 PM
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#2
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Join Date: Aug 2009
Location: midsouth, TN
Posts: 80
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runs fine with no boost? or is the guage not reading?
it is reading vaccum still right?
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Sep 8, 2009, 04:20 PM
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#3
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Newbie
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Join Date: Aug 2008
Location: Oklahoma
Posts: 23
Drives: e46 330ci and Evo 8
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no the turbo is working, but we are not getting a reading to the boost gauge or any pressure to the mbc
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Annnnnnnnnnnddd the boost kicks in
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Sep 9, 2009, 11:09 AM
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#4
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Join Date: Feb 2009
Location: virginia
Posts: 24
Drives: 04 RS
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what line do you have your boost gauge tapped into? And as mentioned above does it still read vaccum
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Sep 9, 2009, 04:24 PM
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#5
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Newbie
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Join Date: Aug 2008
Location: Oklahoma
Posts: 23
Drives: e46 330ci and Evo 8
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Quote:
Originally Posted by stockevo03
what line do you have your boost gauge tapped into? And as mentioned above does it still read vaccum
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boost gauge is hooked up after the mbc, but i get no pressure to the mbc either way
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Annnnnnnnnnnddd the boost kicks in
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Sep 9, 2009, 04:28 PM
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#6
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Evolving Member
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Join Date: Jan 2007
Location: hershey pa/williamsport
Posts: 351
Drives: 06 gg mr
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Does it read vaccum??????????
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Sep 11, 2009, 07:09 AM
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#7
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Join Date: Apr 2007
Location: GA
Posts: 4
Drives: EVO8, CIVIC HB, 2500HD CHEVY
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If the car was not boosting it would run like ****.
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Sep 11, 2009, 06:40 PM
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#8
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Join Date: Aug 2008
Location: Oklahoma
Posts: 23
Drives: e46 330ci and Evo 8
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Quote:
Originally Posted by 20gmr
Does it read vaccum??????????
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what do you mean exactly? sorry im a noob, the car is boosting but im thinking its not boosting full pressure
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Annnnnnnnnnnddd the boost kicks in
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Sep 11, 2009, 07:04 PM
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#9
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Evolving Member
Personal Sales Rating: ( 2)
Join Date: Jul 2007
Location: the burgh, pa
Posts: 477
Drives: 2006 Evolution IX MR, 1998 Honda Prelude
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On the meter you will see it boost, or if it is the gauge pod from mitsu (or most other boost gauges) if the arrow points down, that will show the vacuum pressure in the intake lines. The whole point to see if it is registering the vacuum pressure is if it is just the pod, or a problem with the WGA.
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Sep 12, 2009, 11:31 AM
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#10
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Newbie
Personal Sales Rating: ( 0)
Join Date: Aug 2008
Location: Oklahoma
Posts: 23
Drives: e46 330ci and Evo 8
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the boost gauge shows no pressure and doesn't move
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Annnnnnnnnnnddd the boost kicks in
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Sep 12, 2009, 02:27 PM
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#11
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Join Date: Aug 2008
Location: Oklahoma
Posts: 23
Drives: e46 330ci and Evo 8
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It was a bad gauge, but we are boosting about 10psi right now
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Tags
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2006, boost, e46, evo, gauge, mbc, mr, pressure, showing, turbo, vacuum, vacuumpressure, works  |
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