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Guest Message by DevFuse
 

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Spider EA82T idling fast


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2 replies to this topic

#1 nncoolg

nncoolg

    USMB Regular

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  • Gold Coast, Australia

Posted 24 June 2008 - 04:11 AM

Hi guys, having a little trouble with the XT...

Doesnt fast idle when its cold, fast idles (1300) when its hot(normal temp)
Also, uses WAY TOO MUCH FUEL for an EA82T (22MPG on trip)

Already checked for vacuum leaks

So... I reckon it could be 1 of 2 things :
IAC valve (not the black shutter one on the RX type EA82's)Coolant temp sensor

What do you's reckon...had similar dramas?

any help greatly appreciated :)

#2 grossgary

grossgary

    Elite Master of the Subaru

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  • WV

Posted 24 June 2008 - 06:37 AM

CTS - clean it or replace. make sure if you replace it to clean the engine side wiring that attaches to it - since that's usually the problem anyway, a bad connection.

not sure how the idle control set up is on your EA82T but if it's an actual IAC valve, then remove it and clean it. blow them out with brake cleaner until all the black stuff is gone and the cleaner comes out clear.

#3 presslab

presslab

    Subaru Nut

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  • N. California

Posted 24 June 2008 - 10:17 AM

My '88 GL-10 EA82T has a coolant/electric heated bimetallic vane to control idle air flow. Maybe your XT doesn't have that by the sound of your post? On mine the ECU doesn't control idle speed so much. I believe it does control timing to keep the ending from dying.

If yours is like mine, maybe it's not plugged in. I believe it gets 12V all the time the engine is running.

Oh and 22MPG sounds about right for an EA82T... I get a bit better than that sometimes but my last fillup I got about 18MPG from around town driving.




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