1987 Chevrolet Caprice idle

1987 CHEVROLET CAPRICE
56,000 MILES • 4.3L • 6 CYL • 4WD • AUTOMATIC
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JOHN232
  • MEMBER
  • 1 POST
I was wondering y my car want idle down I change the egr value in it stills idle high
Oct 28, 2014 at 5:25 PM
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CARADIODOC
  • ✓ASE Certified Mechanic
  • 34,321 POSTS
  • ASE Certified Mechanic
High idle is typically due to a vacuum leak. Start by checking the vacuum hoses for cracks. You can pinch off various hoses too to see if one brings the idle speed down.
Oct 28, 2014 at 7:37 PM
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