IAC Valve Cleaning question.... - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1987-1991 Parley with regards to your 1987 to 1991 Bonneville, Olds 88 or Buick Le Sabre Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 08-19-2004, 01:39 AM   #11
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a) never needed to replace an IAC, they just needed a good cleaning.
b) more than you wanted to know at http://6007.us/iac.htm
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Old 08-19-2004, 03:11 AM   #12
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I will give the IAC valve a good cleaning again but I think my problem may be else where. I cleaned the piece twice and both times there was no difference in the preformance of the engine. Also might try replacing the IAC, but what else coutd be causing these symptoms?
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Old 08-19-2004, 06:43 AM   #13
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poor ignition.. what year/trim is this car? sorry if you've said it.. its 5:30 here.. can't quite remember stuff at the moment.


-justin
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Old 08-19-2004, 11:18 AM   #14
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its a 1990 SE. Going to try a new IAC valve and possibly some new plug wires.
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Old 08-19-2004, 11:28 AM   #15
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I don't know what is pictured, but on my engine its just to the right, and under the hose to the factory air box.. its got a small connector to it and two screws holding it in. you have to take off the hose to get to it.. if you can't move it, see how much a replacement is.. if its under $20, go for it.. if its more.. try some electrical stuff first..


-justin
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Old 08-19-2004, 11:49 AM   #16
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Quote:
Originally Posted by opensourceguy
I don't know what is pictured, but on my engine its just to the right, and under the hose to the factory air box.. its got a small connector to it and two screws holding it in. you have to take off the hose to get to it.. if you can't move it, see how much a replacement is.. if its under $20, go for it.. if its more.. try some electrical stuff first..


-justin
Actually, it is a pic of my L67 in the 93. The idea was to show that although the areas you can get at can be cleaned, I found it more beneficial to remove the TB assembly and clean the whole thing.
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Old 08-19-2004, 11:56 AM   #17
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ahh.. ok.. figured it wasn't from an 87-91.. and it looked completly different, until I realized the picture was at a different angle than I though.. der..


-justin
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