CJ-7, 4.2L. Ran Out of Gas and Now Won't Run?!?!... - Page 3 - JeepForum.com
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Unread 02-04-2013, 11:43 AM   #31
Davis77Cj
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1977 CJ7 
 
Join Date: Jan 2013
Location: castalia, north carolina
Posts: 260
did you check all of your vacuum lines for leaks? the timing? fuel pressure? or you could have a really weird ignition module.

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Unread 02-04-2013, 12:19 PM   #32
86cj74.2L
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2004 WJ 
 
Join Date: Jul 2006
Location: Stouchsburg, PA
Posts: 6,333
You did not answer my idle mixture screw question.
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Unread 02-04-2013, 08:45 PM   #33
dvzant
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Join Date: Aug 2006
Location: CA
Posts: 110
Quote:
Originally Posted by 86cj74.2L View Post
You did not answer my idle mixture screw question.
Ok, I think I have it now!!! I took the carb off again and tore it down just to be sure. I paid particular attention to the mixture screws, ran a wire through any hole I could fine and shot carb cleaner through everything. When I put it back on I opened the mixture screws out 5 turns from closed.
It may be a bit too much fuel now and I may have to dial it back but I'm just happy it's idling. I'll need to re-time it and then I'll fine tune the mixture screws.

Thanks for all of the advice, everyone was a big help! If nothing else, I know more about this BBD carb.
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Unread 02-11-2013, 11:06 PM   #34
dvzant
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Join Date: Aug 2006
Location: CA
Posts: 110
Update: I got the Jeep dialed in and it passed smog!!

I described my headaches to my mechanic/smog tech and he described a trick that sometimes work for him in similar circumstances.
He said to rev the engine pretty high and close the choke flap until the engine is about to die. Open the flat while still giving it gas so it revs back up quickly. That will sometimes dislodge blockages.

I figure that everyone was able to give me a lot of advice... Maybe that bit of advice with help someone else out....
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