1999 Buick Lesabre idleing too high

Tiny
FRISCOJON
  • MEMBER
  • 1999 BUICK LESABRE
  • 3.8L
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 146,907 MILES
We just fixed the warped head replaced gasket and radiator, started it but cant get the idle down any suggestions idle error control iac, tps the ecm/pcm it was the idle was fine yesterday. Is there a way to adjust it
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Saturday, January 18th, 2014 AT 8:39 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • EXPERT
Have you checked for vacuum leaks?
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Saturday, January 18th, 2014 AT 8:48 PM

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