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 10:25 AM
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CARADIODOC
  • ✓Experienced Mechanic
  • 34,413 POSTS
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 12:37 PM
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