idle air control valve?

1991 FORD MUSTANG
165,000 MILES • V8 • 2WD • MANUAL
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DONALFANO
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  • 1 POST
enter your question...I have a 91 mustang 5.0 5 spd. The car hesitates and wont idle down. it will stay at about 1500 rpm as i come to a stop and will idle at around 1000rpm at a stop.
Nov 29, 2010 at 8:04 AM
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WRENCHTECH
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Is the check engine light coming on at all?
Nov 29, 2010 at 8:09 AM
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LEGITIMATE007
  • ✓Experienced Mechanic
  • 5,121 POSTS
yes sounds like a dirty throttle body and or idle air control valve and valve bore, I would clean it all thoroughly first before replacing the valve.
joe
Nov 29, 2010 at 8:09 AM
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LEGITIMATE007
  • ✓Experienced Mechanic
  • 5,121 POSTS
https://www.2carpros.com/articles/how-to-tune-up-a-car-engine
Nov 29, 2010 at 8:10 AM
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