1992 Honda Civic idle air control valve

Tiny
BOBBY43
  • MEMBER
  • 1992 HONDA CIVIC
  • 4 CYL
  • 2WD
  • MANUAL
  • 266,000 MILES
My car idles up and down while sitting still. What is causing this to happen?
Thursday, March 12th, 2009 AT 3:48 PM

1 Reply

Tiny
F4I_GUY
  • MECHANIC
  • 3,302 POSTS
It is most likely your IACV acting up. I would recommend servicing it with throttle body cleaner before replacement of the part.

It may also be a vacuum leak or faulty FITV as well. Personally, I would remove both the FITV and IACV and give them both a very good cleaning with throttle body cleaner.
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Thursday, March 12th, 2009 AT 6:06 PM

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