WHEN I START MY SANTE FE IT IDLES WAY TOO FAST ...

  • Tiny
  • Anonymous
  • 2001 Hyundai Santa Fe
  • 122,000 miles

When I start my sante fe it idles way too fast and won't slow down. Why?

Thursday, March 28th, 2013 AT 11:48 PM

2 Answers

  • Tiny
  • nfpkids
  • Member

I would say its a bad idle air control sensor turn the car on and press the brake if its hard as a rock u habe a bad vacum line and u can test the idle air control by undoing a vacuum line from the throtle body manifold if it stops then its bad if u plug it back in and it starys doing again its bad

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Friday, March 29th, 2013 AT 12:17 AM
  • Tiny
  • hmac300
  • Expert
  • 41,694 posts

Scan for codes and check fuel pressure first clean throttle plate on both sides with choke cleaner as well as iac hole. Check for a vacuum leak
also if it doesn't say expert by the name on your reply it's not from 2carpros

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Friday, March 29th, 2013 AT 2:07 PM

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