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Old 09-12-2010, 08:12 PM   #1
emsmap
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Join Date: Sep 2007
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Location: Martinsburg, WV
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02 WRX, 99RS, 96L
AP3,PPG,FMIC, Big turbo

Default Where is the Idle Air Control Valve/Sensor on my Brighton?

Here is my intake manifold on my brighton. I dont know what sensor is my Idle Air Control. I have looked at Factory Service Manual and they dont verify which one it is. I have a horrible idle problem and my CEL says it is the idle air control. Here is a picture of my intake manifold.



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Old 09-12-2010, 09:46 PM   #2
grafton
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97 Legacy w/12:1CR
07 WRB STi

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the black cylinder thingy on the top of the throttle body is your iac
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Old 09-12-2010, 09:51 PM   #3
emsmap
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Thank you!! I will take that apart and clean it. Hoping it will fix my problem
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Old 09-15-2010, 12:50 AM   #4
geronimo81
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I thought that the iac was built into the manifold on the ej18. The thing sticking up on the back of the passenger side runner with the spring on it? I have a 93 L with the ej18 but am not sure about the iac.
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Old 09-15-2010, 06:56 AM   #5
Storm
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Quote:
Originally Posted by geronimo81 View Post
I thought that the iac was built into the manifold on the ej18. The thing sticking up on the back of the passenger side runner with the spring on it? I have a 93 L with the ej18 but am not sure about the iac.
Nope.....it's on the TB, as stated before. Additionally, the IAC on that TB actuates the main throttle plate. It's not a bypass type IACV like most others.

Jay
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Old 09-15-2010, 11:46 AM   #6
Inane Cathode
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What kind of problems are you having? Looking at how much corrosion is on everything first thing i'd do is make sure you dont have voltage drops across the grounds due to all the oxidation.
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