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Location of Idle Control Valve

Tiny
MJAC8204
  • MEMBER
  • 2004 BUICK RENDEZVOUS
  • 129,000 MILES
Where is the idle control valve located in 2004 buick rendezvous? Also if this has gone out, is it safe for me to drive on the highway?
Tuesday, August 7th, 2012 AT 7:54 PM

13 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
It is on the throttle body. You need to post only once. We all look at the questions and answers.

Roy
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Tuesday, August 7th, 2012 AT 8:08 PM
Tiny
ASEMASTER6371
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  • 52,797 POSTS
By the way. I suggest getting it fixed asap as a high idle can cause stopping issues

Roy
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Tuesday, August 7th, 2012 AT 8:08 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,870 POSTS
What size engine do you have?If you have the 3.6L it doesnt use a iac it uses the throttle plate to adjust idle.
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Tuesday, August 7th, 2012 AT 8:09 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
The IACV is on the throttle body-what exactly is it doing?
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Tuesday, August 7th, 2012 AT 8:10 PM
Tiny
MJAC8204
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  • 12 POSTS
When I take it out of drive the rpm's jump up to 3000. I have a 3.4L
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Tuesday, August 7th, 2012 AT 8:20 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
I think her original post was 3.4

Roy
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Tuesday, August 7th, 2012 AT 8:22 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,870 POSTS
If you cover the throttle body opening and it idles down and dies you know the problem is within the throttle body area or computer control wires etc. If it doesnt you have a big vacuum leak.
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Tuesday, August 7th, 2012 AT 8:28 PM
Tiny
MJAC8204
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Ok thanks for everyone's help
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Tuesday, August 7th, 2012 AT 8:31 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,870 POSTS
Your welcome thats what were here for.I would check for a vacuum leak before suspecting the idle air control valve.
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Tuesday, August 7th, 2012 AT 9:47 PM
Tiny
MJAC8204
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  • 12 POSTS
I will check for the vacuum leak first. That seems like it would be easier to fix.
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Tuesday, August 7th, 2012 AT 9:53 PM
Tiny
SATURNTECH9
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Depends on where its leaking keep us posted on what you find.
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Tuesday, August 7th, 2012 AT 10:33 PM
Tiny
MJAC8204
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  • 12 POSTS
When I got home I took a look under the hood and listened for a whistling sound. Turns out that when I got my oil changed last week the kid that took my air filter out never connected it back up. The air filter wasn't put in right and the hose was never connected. Once I put it all back together my car has been driving perfectly fine. Never going back to that place again.
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Wednesday, August 8th, 2012 AT 1:47 PM
Tiny
SATURNTECH9
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Glad to hear you got it all figured thats why I do my own oil changes and all myown work on my car.
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Wednesday, August 8th, 2012 AT 3:28 PM

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