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78 dodge starts and idles until the automatic choke comes off then shuts off


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78dodge
New User

Nov 10, 2009, 6:13 PM

Post #1 of 2 (1789 views)
post icon 78 dodge starts and idles until the automatic choke comes off then shuts off Sign In

I have a 78 dodge 4x4 and the truck will start and idle until the automatic choke comes off then it will shut off.
I have changed the fuel pump, new fuel lines, new fuel in the gas tank, new plugs and wires, checked for vac leaks....this is frustrating. anyone have any ideas?


re-tired
Veteran / Moderator
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Nov 10, 2009, 7:14 PM

Post #2 of 2 (1786 views)
Re: 78 dodge starts and idles until the automatic choke comes off then shuts off Sign In

more than likely your eng is running extremely lean . the choke is giving the eng enough extra fuel to compensate . recheck for vac leaks ,try spraying carb cleaner at suspect areas with the small tube on it , if sure there are none, check the mixture screws try 1 1/2 - 2 turns out after turning in gently all the way in. still lean ? dissasemble carb check for plugged holes (jets) float level and all tubes in place .


LIFE'S SHORT GO FISH






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