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1998 Acura Integra intake manifold

Tiny
CHAINMAN
  • MEMBER
  • 1998 ACURA INTEGRA
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 17,410 MILES
What is the purpose of iac valve for this car.
The exact problem on my car is that when any load is on the engine like for example A/c or I put in gear car turns off and if if doen't brakes get very hard almost impossible to stop the car when im driving. Thank you and looking forward in working with you an dfor you.
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Saturday, September 26th, 2009 AT 10:13 PM

1 Reply

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Hi chainman,

The purpose of the IAC is to control the idling speed. If there are any changes in engine electrical load, the engine rpm would drop and the IAC would be informed by the PCM to open up to allow more air into the intake which would increase the idling speed.

What you are experiencing could be a dirty IAC and throttle body. Get them cleaned and see if problem goes away.
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Sunday, September 27th, 2009 AT 10:15 AM

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