On Trionic cars, it's under the TB...

On Trionic cars, it's under the TB... - Saab 9000 Bulletin Board - Saabnet.com

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On Trionic cars, it's under the TB... Posted by Joe98 (more from Joe98) on Thu, 9 Sep 2004 11:26:25

In Reply to: Where is my AIC, T. Christopher, Thu, 9 Sep 2004 08:06:52 Members do not see ads below this line. - Help Keep This Site Online - Signup

earlier models had the old cylindrical style with 2 hoses coming out of the bottom (one pointing vertical, and the other pointing horizontal) and an electrical connector in the top. That is called an IAC (Idle Air Control).

For your car (Trionic ECU), it's directly under the TB. It is black, plastic, and has a hose coming out of the top going into the TB and another coming out of the bottom and going (?). That is called an AIC (Automatic Idle Control). I had messed around in that area a few months ago when I had to perform an emergency coolant flush when ATF mixed with the coolant. Afterwards, my idle was horrible. I had to fiddle with that thing I just explained, and then my idle smoothed out.

The ECU controls the idle in Trionic cars vs. the cylinder-style valve that controlled it in older cars. The AIC is part of the Trionic system.

Joe
'98 78K
'93 900TC 129K

posted by 12.111.48...

Posts in this Thread:

Where is my AIC, T. Christopher, Thu, 9 Sep 2004 08:06:52
- On Trionic cars, it's under the TB..., Joe98, Thu, 9 Sep 2004 11:26:25 <-- Viewing This Message
  - Re: On Trionic cars, it's under the TB..., Paul Broeckx, Fri, 10 Sep 2004 04:51:18
    - TB = Throttle Body n/m, Street, Fri, 10 Sep 2004 06:28:18
  - I thought that was my FPR?, T. Christopher, Thu, 9 Sep 2004 18:39:22
    - The Fuel pressure reg. is on the belt-side of the, jj, Fri, 10 Sep 2004 05:56:00
      - So that being disconnected could cause rough idle?, T. Christopher, Fri, 10 Sep 2004 11:45:56
        FPR location..., Joe98, Sat, 11 Sep 2004 06:45:01
- Re: Where is my AIC, Aeroman, Thu, 9 Sep 2004 09:40:41
  - That's how I do it too..., Street, Fri, 10 Sep 2004 06:34:52
    - Do TCS cars have an AIC? n/m, AMG , Fri, 10 Sep 2004 06:54:05
      - I don't know... sorry n/m, Street, Fri, 10 Sep 2004 10:49:52
- On later years, it's under the throttle body...., AMG , Thu, 9 Sep 2004 08:29:07
  - On my 92 with TCS, it's under the TB....(nm), bstan, Fri, 10 Sep 2004 08:07:52
    - Re: On my 92 with TCS, it's under the TB....(nm), Jim Kane, Fri, 10 Sep 2004 09:11:57
      - EPC diagrams also clearly show one exists, bstan, Fri, 10 Sep 2004 19:14:23
        Mine is a 97, T. Christopher, Sat, 11 Sep 2004 06:18:30
        Re: Mine is a 97, bstan, Sat, 11 Sep 2004 09:07:59
      - Do you have the IAC (silver cylinder)? n/m, Joe98, Fri, 10 Sep 2004 09:14:56
- Re: Where is my AIC, Urby, Thu, 9 Sep 2004 08:27:06
  - Re: Where is my AIC, Abusot, Thu, 9 Sep 2004 09:01:53
    - Use carb cleaner instead of brake cleaner..., Street, Fri, 10 Sep 2004 06:32:20
      - carb cleaner for fuel injected cars specifically (nm), bstan, Fri, 10 Sep 2004 08:05:44
        LOL (nm), Street, Fri, 10 Sep 2004 10:44:32

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