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engine idles high/'93 buick lesabre


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AT TAYLOR
New User

Apr 12, 2015, 7:07 PM

Post #1 of 3 (867 views)
engine idles high/'93 buick lesabre Sign In

I have a 1993 buick lesabre with a 3.8 v6 that has 177,152 miles on it. Why after starting the car does it idle really high. I replaced all the vacuum hoses & no vacuum leaks around the intake. Help!


(This post was edited by AT TAYLOR on Apr 12, 2015, 7:29 PM)


Tom Greenleaf
Ultimate Carjunky / Moderator
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Apr 12, 2015, 10:05 PM

Post #2 of 3 (845 views)
Re: engine idles high/'93 buick lesabre Sign In

Hmmm? How high and for how long? Almost anything is designed for a higher idle when first started especially when cold then calm down. IAC could be off, dirty or still unfound vacuum leaks or unmetered air intake.


Is this issue new? Does it quit this and run well after some time or never very well in your opinion?


T



Discretesignals
Ultimate Carjunky / Moderator
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Apr 13, 2015, 4:28 AM

Post #3 of 3 (835 views)
Re: engine idles high/'93 buick lesabre Sign In

The engine will idle higher when it is cold than when it is a operating temperature. What does it idle at when it is fully warmed up?





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