83 Chevy K20 - have to pump gas to start and then warm up or it cuts out?

  • Thread starter Thread starter j.j s
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j.j s

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There is a manual choke that sometimes gets it to fire up right away, else i have to turn it over and play with the gas for it to catch....once it does catch(black smoke comes out of exhaust and u can smell the raw fuel), i have to pump the gas and warm it up for a few minutes-- if i dont - it will cut out. I am thinking its the carb? maybe junk in the fuel filter? any other ideas/comments?
 
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