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Ross Pesina
TryHard
Vic
Soarer T, Soarer TT, Supra TT,

Posts: 380
Reg: 08-2006

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Wednesday, May 04, 2011 - 09:17 pm, by:  Ross Pesina (Ross79) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I'm having issues with high idle when the aircon is on.
When it's off it idles fine around the 750rpm mark. When I have the heater going the idle is the same. No idle issues hot or cold.
But when I switch the aircon on it idles around the 2k mark which is a pain as you really have to use the brakes when slowing down.
When I put it in park (aircon going), it will eventually drop down to around 1100rpm.

Anyone else come across this?
Harley Jones
TryHard
NSW
jzz30

Posts: 404
Reg: 03-2009

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Wednesday, May 04, 2011 - 11:09 pm, by:  Harley Jones (Dvjzz30) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

my manual does this sometimes with aircon on..sometimes it doesnt. At the moment I have much bigger problems with my car so I havnt really tried to fix it. My a/c compressor is half fingered and whining and i just put it down to that. Sorry I couldnt be of more help
Adrian Pazman
Newbie
Nsw
TT

Posts: 2
Reg: 05-2011

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Friday, May 27, 2011 - 06:31 pm, by:  Adrian Pazman  (Pazman11) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Yea I have a very similar problem.. I Changed all belts which linked to the ac compressor Inc my timing belt and my idle has come down a little. My Mechanic told me that in order for your A/C unit to function it causes the belt to spin faster and with a streached belt in turn causes your engine to turn over quicker hence the idle going up to 2200 rpm..
Give it a try though once again don't quote me on it ;)
Ross Pesina
TryHard
Vic
Soarer T, Soarer TT, Supra TT,

Posts: 419
Reg: 08-2006

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Sunday, June 05, 2011 - 09:13 pm, by:  Ross Pesina (Ross79) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

While trying to solve a different issue I have finally worked it out!

It was the TPS! I pulled the throttle body off and found the TPS could not be calibrated correctly. Swapped to another TPS and problem solved.

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