V6 Discussion and questions about the base carbureted or MPFI V6's and the rare SFI Turbo V6.

How Do I adjust the IAC sensor?

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Old Aug 6, 2002 | 11:46 PM
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89RSOwner's Avatar
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How Do I adjust the IAC sensor?

To prevent clogging, lol I assume it's that rather large thing near the charcoal canister??

Thanks
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Old Aug 7, 2002 | 07:51 AM
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well, worked last time, lol.......


Nobody knows? crap!


/waits for magic
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Old Aug 7, 2002 | 07:59 AM
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From: Elkton MD USA
Car: 1983, 1986
Engine: 2.8 2bbl, 2.8 MPFI
Transmission: 200C 3 speed, 700R4
Axle/Gears: 3.08, 3.42
The IAC is screwed into the throttle body. I am unsure of the component near the charcoal canister that you are taking about
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Old Aug 7, 2002 | 08:30 AM
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89RSOwner's Avatar
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Told ya! Magggggic.


Ok, then how do I adjust it? Is it that square vaccum block?

I'm used to old school engines, and I could fieldstrip one with my eyes closed, but later models thats a diff, sit-yee-ati-on there.
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Old Aug 7, 2002 | 08:55 AM
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From: Elkton MD USA
Car: 1983, 1986
Engine: 2.8 2bbl, 2.8 MPFI
Transmission: 200C 3 speed, 700R4
Axle/Gears: 3.08, 3.42
The IAC is a socket shaped cylinder that screws into the throttle body. There really is no way to adjust it (I think the GM manual has a procedure). The most important thing is to keep it clean. Unscrew it and spray it with throttle body cleaner. Then spray the cleaner into the hole (and the rest of the throttle body for that matter). After everything is clean, replace the IAC. The square vacuum block is the EGR vacuum sensor (if its towards the rear of the passenger side of the engine). Only maintenance is to make sure the vaccum lines are good (again there may be something in the manual).
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Old Aug 7, 2002 | 10:27 AM
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From: Central NJ, USA
Car: 1986 Firebird
Engine: 2.8 V6
Transmission: 700R4
Originally posted by 89RSOwner
Nobody knows? crap!
Apparently, you don't know about the search button; you'd find that quite a few of us know about the IAC (which is non adjustable). It's at the upper right of your screen, be sure to specify "v6 forum", and you could click here: <a href="search.php?s="><img src="images/top_search.gif" alt="Search" border="0"></a>
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Old Aug 7, 2002 | 10:15 PM
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89RSOwner's Avatar
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/watches joke fly over tom's head.

It's ok your good people. And yes I know VB code so I know about "search" im am mod a three other forums ,bTW.



Thanks for the info everyone.
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