Is this a normal idle??
Seasoned HDF Member
Joined: Feb 2012
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From: Sunshine State
Oil can catch on '05 FB had less than 2 teaspoons every 5K miles. Run a fuel additrive, regardless.
Banned
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From: Nunya.
I use Subaru top end cleaner .
The gas additives can gum up injectors though. What cleans valves and the top end tends to gum up the fuel delivery and vica versa.
And like I said the head breathers are mostly the culprit .
The gas additives can gum up injectors though. What cleans valves and the top end tends to gum up the fuel delivery and vica versa.
And like I said the head breathers are mostly the culprit .
Road Master
Joined: Mar 2018
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From: UK
I don't buy that. Previous thread on here, a guy put a breather bypass on his Heritage at 6miles on the clock. 10k or 15k later, his endoscope showed the same build up as no breather bypass. If you think about it, it's a really tiny amount going through the breather. Looks like it's fuel type or blow-by causing that carbon build up.
Banned
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From: Nunya.
I don't buy that. Previous thread on here, a guy put a breather bypass on his Heritage at 6miles on the clock. 10k or 15k later, his endoscope showed the same build up as no breather bypass. If you think about it, it's a really tiny amount going through the breather. Looks like it's fuel type or blow-by causing that carbon build up.
A process of elimination , he'll find sooner or later .
Last edited by Agoober; Jan 16, 2021 at 07:31 AM.
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