I have seen lots of cases where the needle gets stuck closed. That is usually tied in with using the crappy ethanol gasoline, which seems to cause the vitrol rubber on the needle valve to glue itself in place.
It only takes a minute to test the needle valve as it sits. Remove the line at the carb, and install a short piece of line in it's place. Blow into the line. If the needle is open you can blow into the carb bowl.
If it is stuck, a small tap on the needle valve area with anything may free it up....a screwdriver handle is good for that as it is less likely to harm the carb than say a 2 pound hammer. . If it's really stuck, it only takes a minute to undo the half dozen screws, remove the choke cable, and of course the fuel line and the vent line, and remove the top off the carb.
One concern on the Jeeps have always been the lack of a good fuel filter. The tank filter is rather coarse and allows rust particles thru the system, which get stuck in the needle valve and cause flooding. If you remove the top of the carb and notice what looks like very fine red sand, then you have the problem. Install an inline fuel filter somewhere along the fuel system.
Last edited by rob love; 27-09-20 at 01:30.
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26-09-20, 22:37
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