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Unread 14th December 2018, 09:19 AM
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Default Low idle and stalling

My SG Forester that had been sitting for years idles at 500rpm and sometimes stalls while not being in gear. Mechanic said it could be the throttle body being clogged up from stale fuel (makes sense after seeing the condition of the fuel tank) but want to know what else it could be.
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Unread 14th December 2018, 04:08 PM
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IACV


Throw some UEC through it and see how you go.


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Unread 15th December 2018, 04:10 AM
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Throttle bottle won’t be clogged from stale fuel. It’ll be the Idle Air Control Valve that’s clogged or at least a little sticky.

Clean this out and run some clean fuel through the engine and you should be apples. As Duncan mentioned, the UEC is always a good thing to do too.

Cheers

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Unread 28th December 2018, 08:58 PM
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Cleaned the IACV and still have idle at 500rpm


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Unread 30th December 2018, 07:41 AM
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What should it idle at? My SG idles at around 650rpm.
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Unread 30th December 2018, 07:54 AM
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That's correct - 650 plus or minus 100 SG non-turbo
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Unread 30th December 2018, 08:10 AM
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The idle just doesn't seem high enough as its hard to take off without increasing the revs to 1k rpm which isn't easy to do.
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Unread 30th December 2018, 08:36 AM
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I'm confused. Why is it hard to increase the revs to 1k? there should be a pedal near your right foot that can help.
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Unread 30th December 2018, 04:36 PM
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@OneSixty Some reading for you:

https://www.subaruforester.org/vbull...issues-790609/

https://www.subaruforester.org/vbull...solved-774946/

https://www.subaruforester.org/vbull...hanged-772818/

https://www.subaruforester.org/vbull...manual-528657/
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Unread 8th January 2019, 04:54 AM
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I should mention that after cleaning the IACV which was black and had carbon falling out of where it is located there was no difference in idle. Still stalls randomly and idles at 450rpm. I should also mention that the engine makes a really bad noise similar to "pinking" at around 2000rpm when accelerating slowly and does it really badly when I practice driving it and have to start on the tiniest upward slope and stall it.
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