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2004 GMC Safari

Tiny
JUSTINF89
  • MEMBER
  • 2004 GMC SAFARI
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 172,000 MILES
I'm trying to set the idle on my safari van and was wondering how I can set up a tachometer to it? Thanks.
Thursday, April 8th, 2010 AT 3:36 PM

5 Replies

Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Idle not adjustable is controled by PCM via Idle Speed Controler
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Friday, April 9th, 2010 AT 11:02 AM
Tiny
JUSTINF89
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  • 22 POSTS
What would cause it to idle too low most of the time? Is there a way to hook up a tach anyway?
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Friday, April 9th, 2010 AT 12:12 PM
Tiny
DOCFIXIT
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The IAC valve maybe carboned up remove and clean with carb cleaner passageways too. If no check engine light on then carbon likely. Also look for any vacuum leaks. as for TACH not sure check with like Summit see what they have.


https://www.2carpros.com/forum/automotive_pictures/198357_Graphic_443.jpg

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Friday, April 9th, 2010 AT 2:03 PM
Tiny
JUSTINF89
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  • 22 POSTS
Thanks for the help. I will try and clean out the IAC with some carb cleaner or something. May I as where you obtained that picture?
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Friday, April 9th, 2010 AT 5:53 PM
Tiny
DOCFIXIT
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Mitchell OnDemand. Com
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Monday, April 12th, 2010 AT 9:39 AM

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