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willysmjeeps.com :: View topic - Unstable ideling
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Unstable ideling

 
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Nuffe
Member


Joined: May 29, 2012
Posts: 9
Location: Falun, Sweden

PostPosted: Tue Jun 12, 2012 2:10 pm    Post subject: Unstable ideling Reply with quote

I have a M38 1950, with 24V electric, and most details orig.
Bur carburettor is from CJ-2A 1947.
My problem is unstable ideling.
Some days ideling is perfect,
next day no idle.
Other days varying idle.
Where shall I look/do to undersand what to do?
please help!

Thomas Bjorkman, Sweden

I think somone have imported My M38 from a US Military
depot in Euroup.
M38 are very rare in Sweden.
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oilleaker1
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Joined: May 14, 2009
Posts: 972
Location: South Dakota

PostPosted: Tue Jun 12, 2012 6:41 pm    Post subject: Reply with quote

Clean fuel only, clean out the carburator, no vacuum leaks at the carburator base gasket. John
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wesk
Site Administrator
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Joined: Apr 04, 2005
Posts: 16299
Location: Wisconsin

PostPosted: Tue Jun 12, 2012 6:50 pm    Post subject: Reply with quote

In addition to John's suggestions above: Check throttle shaft for looseness. When the holes in the throttle body wear a lot you get an uneven idle that will clear up a bit when the hole gets dirty enough but when a period of high vacuum occurs and sucks the dirt out then the rough idle is back.
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Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100

Mjeeps photo album: http://www.willysmjeeps.com/v2/modules.php?set_albumName=Wes-Knettle&op=modload&name=gallery&file=index&include=view_album.php
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