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1992 Dodge Shadow Car Idling High

Tiny
PLBIEGERT
  • MEMBER
  • 1992 DODGE SHADOW
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 146,000 MILES
My 1992 dodge shadow has been idling high around 2200 rpms. I have taken it in to a mechanic already who just cleaned idle air control sensor. The mechanic also informed me that if it happens again to replace the IAC which I did when it started to idle high again. After replacing the IAC the rpms dropped but went back up after a few miles. I then replaced the Throttle Position Sensor and still the same results. What else could cause it to idle high?
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Thursday, April 29th, 2010 AT 4:30 PM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Could be a vacuum leak or its locked-up in the open loop mode and computer throwing fuel at it when not needed or injector leaking/fuel pressure regulator
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Friday, April 30th, 2010 AT 6:09 AM
Tiny
WILLPINSON
  • MEMBER
  • 1 POST
What would cause a lock-up in open loop mode? A sensor? Bad connection? Or bad computer?
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Thursday, November 10th, 2016 AT 7:11 AM

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