M38A1 idle problem

[MG777]

Hi to all my M38a1 started having high rpm at idle. Meaning that even when i don't press the pedal the rpm`s are higher than normal.
Been driving my m38a1 every day the past month

What could be causing this ?
Thank you for help

Marc

[skyjeep50]

Does your jeep have the hand throttle installed? Check to make sure the control is all the way in.
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1951 M38

[wilfreeman]

.....And adjusted correctly. Also check the pedal and linkage for free movement and binding.
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Matt
1953 M38a1
1964 USMC M38a1
'51 USMC M100 trailer, '54 M100 trailer, '90 M101a1 trailer
Http://wilfreeman.wordpress.com (M38a1 build blog)
http://m38a1usmc.wordpress.com (USMC M38a1 rebuild blog)

[wesk]

The quick check is to disconnect the throttle controls from the carb and see if the carb lever goes to a normal idle speed. If she does the carb and leaking vacuum is not the problem. Then connect the main foot feed to carb control and if she still idles correctly the problem is in the hand throttle adjustment.
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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