This engine, when cold idles at about 1500 rpm. This makes my car drive at about 30 mph without my foot on the accelerator. I have to go down a very rough dirt road in the morning and I have to ride the brakes all the way. Can this idle speed be lowered so that I can travel this rough road a little easier? Or will lowering the idle speed compromise something else? I have talked to the local subaru mechanics, they have not run into this situation before and they are waiting to hear from their Subaru technical support people.
Do you have any advice? Thanks Fred
We bought our H6 used under warranty and had the problem the day it was delivered. Brought it in to the dealer and the diagnosed it as the throttle position sensor. It is an electronic component that works in conjuction with the fuel delivery system and it is faulty, it cannot tell what position the gas pedal is in, and therefore is randomly picking power settings.
We had it replaced, and never a problem since.
There are other possibilites to your problem, and this was our solution.
Hope that helps.
It can be issue
with IAC( idle air control valve) causing the problem.
There
are many other possibilities causing these idle issues. Engine idles rough.
There
are few help links with solutions to troubleshoot such idle issues.
I
suggest you refer the link below and follow
its troubleshooting details:------
Click
the link below:-----
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http://schematicsdiagram.blogspot.in/2012/03/stumbling-and-stalling-at-idle-after.html
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http://technoanswers.blogspot.in/2012/01/1999-ford-f-150-idles-rough-and-quits.html
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http://repairhelpcenter.blogspot.com/2012/01/engine-stumbles-coming-off-idle-when.html
------------------
http://schematicsdiagram.blogspot.com/2011/12/erratic-idle-on-car.html
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Cold start problem and vehicle shudder around 2500 to
3500 rpms
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http://repairhelpcenter.blogspot.com/2011/12/low-idle-when-cold-out-side.html
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http://technoanswers.blogspot.com/2012/10/gmc-sonoma-stalls-and-idles-low.html
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http://schematicsdiagram.blogspot.com/2011/12/gmc-idle-air-control-iac-valve.html
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http://repairhelpcenter.blogspot.com/2011/10/1996-camry-intermittent-engine-failure.html
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http://repairhelpcenter.blogspot.com/2011/10/engine-quits-at-idle.html
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http://howtobyme.blogspot.com/2011/11/car-overheats-and-air-blows-hot-at-idle.html
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High
Idle Problem
http://repairhelpcenter.blogspot.com/2012/10/high-idle-problem.html
-------
http://schematicsdiagram.blogspot.com/2012/01/while-stop-engine-idles-like-cylinder.html
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http://technoanswers.blogspot.in/2012/02/idle-flair-is-noticed-on-car-rough-idle.html
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http://technoanswers.blogspot.in/2012/02/high-rpm-in-neutral-inconsistant-high.html
-------
http://schematicsdiagram.blogspot.in/2012/03/vehicle-stumbling-at-idle-and-shows.html
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http://technoanswers.blogspot.in/2012/03/rough-idlestaling-and-erratic-shifting.html
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http://schematicsdiagram.blogspot.com/2012/01/while-stop-engine-idles-like-cylinder.html
---------
These
details will help.
Thanks.
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my '04 wagon does the same thing, only in the friendly santa monica climate. was in there yesterday tryign to get it worked on as a matter of fact, for about the 3rd time. they said they didn't notice anything. Errrgghh!!!
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