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02-16-2009, 02:13 PM
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#1
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Join Date: Sep 2006
Location: north jersey
Posts: 1,680
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problems with the trans am cont.
i pulled the iac motor off and here is what it looks like
the gasket appears to be bad, and when i took it off i saw smoke coming out of the hole where the iac went into place
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02-16-2009, 02:17 PM
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#2
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,938
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Thats the MAP sensor....
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02-16-2009, 02:18 PM
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#3
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,938
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Its on the TB
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02-16-2009, 03:13 PM
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#4
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Ayatollah of Rock N Rolla / Admin
Join Date: Mar 2006
Location: Parts Unknown
Posts: 12,573
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Quote:
Originally Posted by Shownomercy
Its on the TB
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Yep! You need to take out the valve shown in this picture. A new one runs around $30.
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02-16-2009, 04:30 PM
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#5
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Join Date: Sep 2006
Location: north jersey
Posts: 1,680
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Quote:
Originally Posted by WildBillyT
Yep! You need to take out the valve shown in this picture. A new one runs around $30.
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thanks guys, i just pulled it off, should that little arm at the end move freely? freely as in , in and out by hand
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02-16-2009, 05:02 PM
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#6
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Hippy Mod, Bergermeister Meisterberger, Moderator
Join Date: Aug 2004
Location: Ewing
Posts: 6,216
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No, an electric motor moves it in and out to adjust idle. Try cleaning the end of really well with carb cleaner if it's all gunked up. It might be getting stuck which could be causing your problem.
__________________
69 Z28 JL8 4 wheel disc brakes - being restored
09 Silverado Z71
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02-16-2009, 08:52 PM
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#7
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Meet Coordinator
Join Date: Jan 2008
Location: brick/pt. pleasant beach
Posts: 19,368
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i would consider just replacing it and cleaning carbon build up in the throttle body
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02-16-2009, 09:03 PM
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#8
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Resident Camera Guy
Join Date: Aug 2004
Location: North Jersey
Posts: 10,971
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My bad, Jim I have another TB too in my garage, I'll bring over my box of stock parts and we'll just go through it all.
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02-17-2009, 04:50 PM
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#9
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Join Date: Sep 2006
Location: north jersey
Posts: 1,680
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okay thanks alex. now the guy at the parts place thinks it might be a bad injector. he thinks when it gets hot it stays open and when i shut it off it floods the cylinder. he doesnt think that its the IAC because when it starts up when its hot it would be running very high rpm's.
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02-17-2009, 04:58 PM
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#10
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,938
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Well thats an easy test, check to see if the rails lose pressure really quickly. Although I doubt its an injector.
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Quote:
Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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02-17-2009, 05:19 PM
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#11
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Join Date: Sep 2006
Location: north jersey
Posts: 1,680
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okay, i'm going to do that tomorrow or tonight after class.
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