1994 Chevy S-10 idles erratically

216,400 MILES • 6 CYL • 2WD • AUTOMATIC
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BOOG64
  • MEMBER
  • 1 POST
at idle, in park or neutral, motor repeatedly races up and down approx. 100 rpms. plus cruise control doesn't work. Had just replaced power brake booster less than 24hrs. ago.
Jun 18, 2010 at 9:39 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Clean out the idle air control valve and EGR/PCV valves and see what happens
Jun 18, 2010 at 10:43 AM
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