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Unread 10-21-2013, 11:30 AM   #1
HeathFinnie
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1976 CJ5 
 
Join Date: Nov 2011
Location: Scituate, MA
Posts: 378
When I go to start my 304 it starts immediately but at a low idle. It doesn't run faster to where I can tap the throttle 30 seconds later and have it kick down, it appears to already be at the lower idle. I have to keep my foot on the throttle to keep it from stalling until it runs for about 30-40 seconds.

After it warms up its at about 700RPM, but upon starting it will be under 500 usually...

Any tips? (Recently rebuilt 2100 with HEI)

Thanks!

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Unread 10-21-2013, 11:59 AM   #2
Matt1981CJ7
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1981 CJ7 
 
Join Date: May 2011
Location: Elbert, CO
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Is your choke working, and do you know how to engage it?

Matt
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Unread 10-21-2013, 12:39 PM   #3
HeathFinnie
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Location: Scituate, MA
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Quote:
Originally Posted by Matt1981CJ7
Is your choke working, and do you know how to engage it? Matt
I have a manual choke that appears to be working. (Pull out, plate almost closes, push in plate opens all the way).

During the summer I would start with the choke open, same thing. Now that's its colder out I am starting it with the choke pulled out (closed) and it's doing the same thing.
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Unread 10-21-2013, 01:11 PM   #4
Matt1981CJ7
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Is the choke pulloff working?

Matt
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Unread 10-21-2013, 02:00 PM   #5
HeathFinnie
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1976 CJ5 
 
Join Date: Nov 2011
Location: Scituate, MA
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Quote:
Originally Posted by Matt1981CJ7
Is the choke pulloff working? Matt
How can I test that?

Thanks again matt
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Unread 10-21-2013, 02:17 PM   #6
scrapman
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1984 CJ7 
 
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You need to set the fast idle cam, that should work in conjunction with your choke.
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Unread 10-21-2013, 02:19 PM   #7
scrapman
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Page 10. Even better picture on page 26.

http://street2mud.com/webfiles/MC-21...%20a%20258.pdf
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Unread 10-21-2013, 09:07 PM   #8
jeepdaddy2000
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You need to insure your fast idle cam is intact and working. First, insure your cam and linkage are there and connected.
With the throttle blocked open, close the choke and observe the cam and linkage. It should slide under the set screw. If it is, then close the throttle and see if the screw is contacting the cam. If not, adjust the screw till the engine idles where you want.
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