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Old 07-27-2013, 03:00 PM   #1
Join Date: Jul 2013
Posts: 3
Weber Carb 32/36

Hello everyone, This is my first time posting anything and I need some help. I have a 89 Sahara with the 4.2. I changed out the carter carb for a weber 32/36. I have not done the nutter bypass yet. I have the carb running pretty good except when the jeep sits overnight, I can't start it unless I prime the carb. Any thoughts...........need help

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Old 07-27-2013, 03:01 PM   #2
Join Date: Jul 2013
Posts: 3
Oh, I should have mentioned that I did check the fuel pump and it is working. I can disconnect the fuel line to the carb and it will pump gas.

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Old 07-27-2013, 03:19 PM   #3
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Join Date: Apr 2012
Location: west palm fla
Posts: 1,035
do you have the original fuel filter with the return line? the return line should be on top so the filter wont drain.
weber carbs are known for being hard starting after sitting a while but not so bad that they have to be primed.
if your fuel pump is working like you say it should fill the bowl after cranking a bit and it should start without priming.
I know you say you checked the pump but maybe its weak, heres a link to the proper way to test

How to Test Mechanical Fuel Pump | eHow
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Old 07-27-2013, 03:33 PM   #4
Join Date: Jul 2013
Posts: 3
I put in a new fuel filter, but it is not mounted securely. It is just on the feed line and the return line parallel with the feed line. Thank you for your quick response. I will check it out.
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