THE IDLE IS HIGH AND IVE CHECK FOR VACUUM LEAK ...

  • Tiny
  • Wehrwein
  • 1984 GMC SIERRA
  • 4,000 MILES

The idle is high and I've check for vacuum leak but it was fine. What else can it be

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Tuesday, February 5th, 2013 AT 3:45 AM

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  • Tiny
  • Jacobandnickolas
  • EXPERT
  • 68,402 POSTS

Do you have a carb on the vehicle or is it fuel injected? If fuel injected, check the idle air control valve. If it has a carb, you can adjust curb idle speed on the carb itself.

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Tuesday, February 5th, 2013 AT 3:06 PM

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