1984 Gmc Sierra Idle High Ve Check Vacuum Leak Fine Else

1984 GMC SIERRA
4,000 MILES
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WEHRWEIN
  • MEMBER
  • 1 POST
The idle is high and I've check for vacuum leak but it was fine. What else can it be
Feb 5, 2013 at 3:45 AM
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JACOBANDNICKOLAS
  • ✓ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
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.
Feb 5, 2013 at 3:06 PM
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