2006 Ford Fusion Rpm S Keep Jumping Normal 600 700 Down 500 Stopped

2006 FORD FUSION
120,000 MILES
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LINA MCDONALD
  • MEMBER
  • 1 POST
RPM's keep jumping from normal 600-700 down to 500 when stopped. What is the problem??
Jan 31, 2013 at 12:40 AM
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JACOBANDNICKOLAS
  • ✓ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
check for vacuum leaks and check the idle air control valve (IAC).
Jan 31, 2013 at 2:43 AM
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