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Sthil 029/039 Dies at Idle Runs Great Up Top

bpankratz

bpankratz

ArboristSite Member
Joined
Apr 22, 2013
Messages
73
Location
Canada
Website
injectorservice.com
Thanks for bearing with me guys. This saw is having some wanky issues too. Was running great also, and now won't idle.

Well it will start, idle then suddenly die, off like a switch.
I have been messing with the carb settings too, so when I do get it to idle it is fast.

Also tried running it with the filter off, and under throttle it blows a lot of fuel out.

Compression is 130 on this guy.
 
bpankratz

bpankratz

ArboristSite Member
Joined
Apr 22, 2013
Messages
73
Location
Canada
Website
injectorservice.com
So I tried a plug in this thing to, didn't help. I cut with it a bit keeping it going with the throttle between cuts, then about 5 minutes in this thing died too.

Carb kit? Just seems weird that it will run ok and then suddenly die out.
 

rupedoggy

Addicted to ArboristSite
Joined
Jun 13, 2001
Messages
4,089
Age
73
Location
Dayton Nevada.
Website
wwwwhatdoyouwanthereanyway.com
Continuing to run a saw that is running squirrelly can ruin a good saw.
As I was told on another thread.....
Why thank you for that ridiculously constructive and helpful post! I don’t know what I’d do without such good people coming along to assist. Has the design always been that way? :bowdown:
 
Bob Hedgecutter

Bob Hedgecutter

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Jul 18, 2019
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1,025
Location
Small Town, way down South- New Zealand.
Ok so I got the carb kit installed, air filter changed (didn't do the fuel filter but it looks clear), and the saws up and running great now! I guess that teaches me to do the carb kits. The diaphragm was definitely stretched.
Yep, it also teaches you to learn who to listen to in here- first reply had it covered eh? ;)
 
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