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Old 06-16-06, 02:50 PM   #1 (permalink)
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DIY: IAC Cleaning

First of all, this was due to the help of Mikey851.

Ok, now to the DIY:

Time: 20-40mins

Tools:
10mm socket
12mm socket (3/8 drive)
12mm open end

Throttle Body Cleaner (NOT Carb Cleaner)

Procedure:

1. Remove Air Intake
2. Remove Driver Side Valve Cover (2 10mm nuts)
3. Remove Clip from IAC, there is also another Clip shown that needs to be removed. Completely set these aside out of the way. *PicsBelow*
4. Locate the 2 Bolts holding the IAC in place.


5. Remove Bolts. For the Lower Bolt use a 12mm Open End. For Upper Bolt, use 3/8 drive 12mm Socket.

6. Pull IAC away from throttle body to expose the passages. *keep in mind the 2 coolant hoses attached, to not break or puncture them.*
7. Spray Cleaner and let sit for 4-8 hours. Clean out, and do reverse for install.



Hope this helps anyone needed to do this.
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Old 06-16-06, 02:52 PM   #2 (permalink)
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sorry... i'm a noob... why is this good?
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Old 06-16-06, 02:55 PM   #3 (permalink)
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If your car has trouble idling, stalling on hot starts, this could be your problem.

The passage gets clogged with carbon over time, and thus does not allow air to flow while idling, creating the stalling. Cleaning will solve the problem, in most cases.
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Old 06-16-06, 07:16 PM   #4 (permalink)
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After spraying, I used lots of Q-tips dipped in TB cleaner to clean both the IAC as well as the holes in the intake manifold. While I'm not sure how effective the q-tips were but it was kind of theraputic
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Old 10-03-06, 01:03 PM   #5 (permalink)
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can we move this to the DIY section
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Old 10-03-06, 02:23 PM   #6 (permalink)
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Sure I can
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Old 10-03-06, 03:27 PM   #7 (permalink)
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Thanx Mike! Glad to have ya back here with us
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Old 10-03-06, 10:20 PM   #8 (permalink)
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great DIY definitely doin this.. i need it
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Old 10-04-06, 12:21 AM   #9 (permalink)
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So chances are if the RPMs on my car sometimes bounce up and down and drop randomly and sometimes stalls then most likely a Throttle body cleaning is all i need?
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Old 10-04-06, 12:29 AM   #10 (permalink)
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Quote:
Originally Posted by guyad
So chances are if the RPMs on my car sometimes bounce up and down and drop randomly and sometimes stalls then most likely a Throttle body cleaning is all i need?
Your white coupe still has a Type 1 ecu, that may be affecting things as well. My idle was a little funny with my AC on occasionally, when I finally got a Type 2 ecu I had no more problems.
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Old 10-04-06, 12:38 AM   #11 (permalink)
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So how expensive is it to get a type II ECU and have it put in?
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Old 10-04-06, 05:13 PM   #12 (permalink)
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Yo Henry (Dinero19) this one is for you! Nice write up too!
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Old 10-04-06, 09:16 PM   #13 (permalink)
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Quote:
Originally Posted by guyad
So how expensive is it to get a type II ECU and have it put in?
you should talk with telion he should be able to help you out.
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Old 10-08-06, 05:08 PM   #14 (permalink)
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man these bolts are a pain in the ass... especially not removing the MLS bar
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Old 10-08-06, 07:50 PM   #15 (permalink)
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I'm gonna try this tomorrow morning, my idle is too high right now. I'm afraid to say.... it's 1700rpm. I have to check the vacuum system too.
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