1994 Buick Century Engine idle surges at high rpm

1994 BUICK CENTURY
13,000 MILES • 6 CYL • 2WD • AUTOMATIC
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LBRACHT
  • MEMBER
  • 1 POST
Want to know what causes a 1994 buick century to idle at high rpms for no apparent reason whether in park or driving down the road.
May 13, 2010 at 4:54 PM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,240 POSTS
Throttle position sensor, idle air control valve, vacuum leak... Has the check engine light come on?
Jun 7, 2010 at 1:31 AM
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