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2005 Accent idles too high

Tiny
JOHNB
  • MEMBER
  • 2005 HYUNDAI ACCENT
  • 4 CYL
  • FWD
  • MANUAL
  • 150,000 MILES
OBD codes said IACV and throttle position sensor were bad. I replaced the idle air control valve and throttle position sensor and cleaned the throttle body but still idles at 2000 rpms. What else could be wrong?
Sunday, May 1st, 2011 AT 4:19 PM

2 Replies

Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
Look for vacuum leaks? Make sure throttle plate is absolutely shut when gas pedal is relaxed. There is usually an type of adjust screw for this setting so its shut but dont jam/stick.
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Sunday, May 1st, 2011 AT 5:29 PM
Tiny
JOHNB
  • MEMBER
  • 7 POSTS
The problem was a 3 inch vaccum line going from the back of the valve cover to the intake. Problem solved. Thank You!
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Sunday, May 1st, 2011 AT 7:03 PM

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