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Location:
Brisbane
Registered:
October 2002
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 Idle speed
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Mon, 07 October 2002 11:00
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Hi everyone,
Perhaps a dumb question, but how can the idle speed, cold and hot be adjusted on an 86kW 4AGE Twin Cam...?
Have mucked around a bit but cant find anything obvious, so i thought i would ask before getting dirtier with it...
Thanks
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Location:
Canberra
Registered:
May 2002
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Re: Idle speed
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Mon, 07 October 2002 11:18
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My AE82 Corolla Seca has that same engine.
The adjustment point is on the throttle body, and is called the throttle stop, it is located just below the bellcrank/pulley through which the throttle cable runs, you may have to back off a lock nut before you turn the screw, dont forget to lock it back up again.
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Location:
MELBOURNE
Registered:
May 2002
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Re: Idle speed
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Mon, 07 October 2002 19:10
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Haven't they got an idle adjustment on the throttle body so you don't upset your TPS setting buy adjusting the throttle stop.
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Location:
Brisbane
Registered:
October 2002
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Re: Idle speed
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Wed, 09 October 2002 09:20
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Yeah ok...
i saw the screw you speak of..
i thought it was the throttle positioner, i had to back it of a bit anyway as it was a bit much (holding the revs a bit too long) but i am still at a loss as to the idle adjustment... it needs to be done 1200rpm hot and 2200rpm cold is a bit excessive and somewhat annoying with a VERY loud exhaust...
thanks for your help but
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Location:
Coffs
Registered:
May 2002
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Re: Idle speed
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Wed, 09 October 2002 12:22
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Is this what you guys are talking about??
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Location:
Brisbane
Registered:
October 2002
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Re: Idle speed
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Thu, 10 October 2002 12:32
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I was talking about the screw attached to the vacumn actuator visible below the throttle cable half-pulley.
I dont have the screw you have circled?? although i have the map sensor.
Also the vac hose ontop of the throttle body... in the second pic, the lower of the 2 small vac hoses ontop fo the throttle body... what does that run to, mine had a plug on that outlet, and i then used it for the vacumn actuator in the after market cruise control i put in... what should it go to??
Thanks guys.
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Location:
Coffs
Registered:
May 2002
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Re: Idle speed
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Thu, 10 October 2002 13:01
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I think its called a solenoid, or some thing like that, I'm not really sure but here's a better photo.
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