Engine has high idle when started for the first time of the day about 50% of the time

Tiny
JOHNPATRICKGREELEY
  • MEMBER
  • 1993 BUICK LESABRE
  • 180,000 MILES
There appears to be no vacumm leaks, cleaned the throttle body, replaced iac motor, still idles high on first start, doesn't idle high on any later starts, thanks, John
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Monday, August 13th, 2012 AT 9:50 PM

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Tiny
RASMATAZ
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Test the throttle position sensor closed and WOT voltages
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Monday, August 13th, 2012 AT 10:07 PM

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